Removed old PHP code, migrated to Python and Flask

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

website/renderers/button.py

@@ -0,0 +1,10 @@
+from flask import render_template
+
+
+def render_button(inner_html: str, disabled: bool = False) -> str:
+    return render_template(
+        "elements/button.jinja",
+        button_inner_html=inner_html,
+        button_disabled=disabled,
+        button_extra_classes=""
+    )

website/renderers/headings.py

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+from typing import Optional
+
+from flask import render_template
+
+
+def render_heading(inner_html: str, level: int = 1, icon: Optional[str] = None, right_html: Optional[str] = None,
+                   anchor_id: Optional[str] = None, background_class: str = "bkgd-grid") -> str:
+    return render_template(
+        "elements/heading.jinja",
+        heading_inner_html=inner_html,
+        heading_level=level + 1,
+        heading_icon=icon,
+        heading_right_html=right_html,
+        heading_anchor_id=anchor_id,
+        heading_background_class=background_class,
+    )
+
+
+def render_h1(inner_html: str, icon: Optional[str] = None, right_html: Optional[str] = None,
+              anchor_id: Optional[str] = None, background_class: str = "bkgd-grid") -> str:
+    return render_heading(
+        inner_html, 1, icon, right_html, anchor_id, background_class
+    )
+
+
+def render_h2(inner_html: str, icon: Optional[str] = None, right_html: Optional[str] = None,
+              anchor_id: Optional[str] = None, background_class: str = "bkgd-grid") -> str:
+    return render_heading(
+        inner_html, 2, icon, right_html, anchor_id, background_class
+    )
+
+
+def render_h3(inner_html: str, icon: Optional[str] = None, right_html: Optional[str] = None,
+              anchor_id: Optional[str] = None, background_class: str = "bkgd-grid") -> str:
+    return render_heading(
+        inner_html, 3, icon, right_html, anchor_id, background_class
+    )

website/renderers/paragraph.py

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

website/renderers/splide.py

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+from flask import render_template
+
+
+def render_splide(inner_html_panes: list[str]) -> str:
+    return render_template(
+        "elements/splide.jinja",
+        splide_inner_html_panes=inner_html_panes,
+    )