Removed old PHP code, migrated to Python and Flask

Update .dockerignore, .env, and 503 more files...

website/renderers/paragraph.py

@@ -0,0 +1,8 @@
+from flask import render_template
+
+
+def render_paragraph(inner_html: str) -> str:
+    return render_template(
+        "elements/paragraph.jinja",
+        paragraph_inner_html=inner_html,
+    )