Add new templates and tests for improved functionality

- Created index.html template for the homepage with service cards and partner logos.
- Added page_from_md.html template for rendering pages from markdown.
- Developed services.html template detailing various services offered.
- Implemented tests for link handling in markdown, ensuring external links open in new tabs and internal links function correctly.
- Enhanced markdown parser tests to validate heading extraction, content rendering, and link safety.
- Introduced utility tests for template rendering, HTML minification, and JavaScript minification.

Co-authored-by: Copilot <copilot@github.com>

lib/types.py

@@ -0,0 +1,54 @@
+from typing import TypedDict, List, Dict, Optional
+
+
+class Detail(TypedDict):
+    title: str
+    content: str
+
+
+class Card(TypedDict, total=False):
+    title: str
+    content: str
+    details: List[Detail]
+
+
+class Section(TypedDict):
+    title: str
+    content: str
+    cards: List[Card]
+
+
+class PageData(TypedDict):
+    title: Optional[str]
+    sections: List[Section]
+
+
+class PageMeta(TypedDict, total=False):
+    title: str
+    description: str
+    keywords: str
+    og_description: str
+    favicon: str
+    twitter_image: str
+    og_image: str
+
+
+class PageEntry(TypedDict, total=False):
+    page_title: str
+    page_subtitle: str
+    page_cta: str
+    page_cta_url: str
+    meta: PageMeta
+    active: bool
+
+
+PagesDict = Dict[str, PageEntry]
+
+
+class ParserState(TypedDict):
+    page: PageData
+    current_section: Optional[Section]
+    current_card: Optional[Card]
+    current_detail: Optional[Detail]
+    content_buffer: List[str]
+    detail_buffer: List[str]