Simhash test pages

These pages are intentionally similar, with small differences in wording, structure, and HTML elements. They are meant for simhash or near-duplicate experiments.

• Page 01 - baseline text and structure.
• Page 02 - minor wording changes and one extra sentence.
• Page 03 - paragraph order changed, list tweaked.
• Page 04 - numbers and metrics adjusted.
• Page 05 - adds a short code block.
• Page 06 - removes one paragraph and shortens a list.
• Page 07 - introduces an extra subheading.
• Page 08 - adds a short quote block.
• Page 09 - includes a small table.
• Page 10 - adds a section about HTML patterns.