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index 50aa448..8186cd4 100644
--- a/build/rss.xml
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index dfb5a76..cfa31df 100644
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new file mode 100644
index 0000000..11522be
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+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
+]
+
+[[package]]
+name = "werkzeug"
+version = "2.3.6"
+description = "The comprehensive WSGI web application library."
+category = "main"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "Werkzeug-2.3.6-py3-none-any.whl", hash = "sha256:935539fa1413afbb9195b24880778422ed620c0fc09670945185cce4d91a8890"},
+    {file = "Werkzeug-2.3.6.tar.gz", hash = "sha256:98c774df2f91b05550078891dee5f0eb0cb797a522c757a2452b9cee5b202330"},
+]
+
+[package.dependencies]
+MarkupSafe = ">=2.1.1"
+
+[package.extras]
+watchdog = ["watchdog (>=2.3)"]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.11"
+content-hash = "feb0163665b29d70c03ed77b76c7e11fc4c8f63b74dfe5804df2affa37d5ac9d"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..49c6101
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,18 @@
+[tool.poetry]
+name = "website"
+version = "0.1.0"
+description = "Stefan's Blog"
+authors = ["stefan <mail@stefan.works>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.11"
+Flask = "^2.3.2"
+feedgen = "^0.9.0"
+Frozen-Flask = "^0.18"
+pytz = "^2023.3"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..85cb05f
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+export FLASK_DEBUG=True
+export FLASK_APP=start_site.py
+
+python3 -m flask run
diff --git a/start_site.py b/start_site.py
index c108c0a..6a81ef2 100644
--- a/start_site.py
+++ b/start_site.py
@@ -14,23 +14,34 @@ meta_data = {root[len("./templates/blog/"):] :
 
 @app.route('/')
 def index(_paths=meta_data):
+    ''' Main Site.
+    '''
     sorted_meta_data = dict(sorted(meta_data.items(), reverse=True, key=lambda item : item[1]))
     return render_template("index.html", _paths=sorted_meta_data)
 
 @app.route('/blog/<blog_item>/index.html')
 def blog(blog_item, _date=meta_data):
+    ''' Blog Pages.
+    '''
     return render_template(f"blog/{blog_item}/index.html", _date=meta_data[blog_item])
 
 @app.route("/about.html")
 def about():
+    ''' About Page.
+    '''
     return render_template("about.html")
 
 @app.route("/contact.html")
 def contact():
+    ''' Contact Page.
+    '''
     return render_template("contact.html")
 
 @app.route("/rss.xml")
 def rss(_items=meta_data):
+    ''' RSS Feed.
+    Generates RSS feed as XML
+    '''
     #rss_feed = []
     _tz = pytz.timezone('Europe/Berlin')
     _fg = FeedGenerator()
@@ -53,18 +64,29 @@ def rss(_items=meta_data):
 
 @app.route('/favicon.ico')
 def favicon():
+    ''' Provides favicon.
+    '''
     return send_from_directory(os.path.join(app.root_path, 'static'), 'favicon.ico')
 
 @app.errorhandler(404)
 def page_not_found(_error):
+    ''' Error Handling.
+    Error 404
+    '''
     return render_template("/status_code/404.html"), 404
 
 @app.errorhandler(400)
 def bad_request(_error):
+    ''' Error Handling.
+    Error 400
+    '''
     return render_template("/status_code/400.html"), 400
 
 @app.errorhandler(500)
 def internal_server_error(_error):
+    ''' Error Handling.
+    Error 500
+    '''
     return render_template("/status_code/500.html"), 500
 
 with app.test_request_context():
diff --git a/static/rss.xml b/static/rss.xml
index 50aa448..8186cd4 100644
--- a/static/rss.xml
+++ b/static/rss.xml
@@ -1,2 +1,2 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel><title>Website of Stefan Friese</title><link>https://stefan.works</link><description>test</description><atom:link href="https://stefan.works" rel="self"/><docs>http://www.rssboard.org/rss-specification</docs><generator>python-feedgen</generator><language>en-us</language><lastBuildDate>Mon, 30 May 2022 22:18:56 +0000</lastBuildDate><item><title>The Joy of One-Liners</title><link>https://stefan.works/blog/The Joy of One-Liners/index.html</link><guid isPermaLink="false">https://stefan.works/blog/The Joy of One-Liners/index.html</guid><pubDate>Sun, 29 May 2022 22:52:44 +0200</pubDate></item><item><title>Keep It Simple</title><link>https://stefan.works/blog/Keep It Simple/index.html</link><guid isPermaLink="false">https://stefan.works/blog/Keep It Simple/index.html</guid><pubDate>Tue, 01 Jun 2021 22:47:04 +0200</pubDate></item></channel></rss>
\ No newline at end of file
+<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel><title>Website of Stefan Friese</title><link>https://stefan.works</link><description>test</description><atom:link href="https://stefan.works" rel="self"/><docs>http://www.rssboard.org/rss-specification</docs><generator>python-feedgen</generator><language>en-us</language><lastBuildDate>Tue, 20 Jun 2023 19:21:25 +0000</lastBuildDate><item><title>The Joy of One-Liners</title><link>https://stefan.works/blog/The Joy of One-Liners/index.html</link><guid isPermaLink="false">https://stefan.works/blog/The Joy of One-Liners/index.html</guid><pubDate>Sun, 29 May 2022 22:27:49 +0200</pubDate></item><item><title>Keep It Simple</title><link>https://stefan.works/blog/Keep It Simple/index.html</link><guid isPermaLink="false">https://stefan.works/blog/Keep It Simple/index.html</guid><pubDate>Tue, 01 Jun 2021 18:57:19 +0200</pubDate></item></channel></rss>
\ No newline at end of file
diff --git a/static/stylesheet.css b/static/stylesheet.css
index 88151b4..4a137fa 100644
--- a/static/stylesheet.css
+++ b/static/stylesheet.css
@@ -7,7 +7,7 @@ p  { font-size: 16px; }
 blockquote { text-align: center; font-size: 16px; font-style: normal; line-height: 30px;}
 pre { background-color: #eee;color: #2f3337;border: 1px solid #ddd; font-size: 14px; padding-left: 2ch; line-height: 18px; overflow: auto; }
 code { background-color: #eee;color: #2f3337; }
-hr { height: 0px; }
+hr { height: 1px; background: #333; border: 0px;}
 a {color: inherit; text-decoration: solid underline;}  
 a:hover {color: red;}
 img { max-width: 100%; }