docs: Top 10 stats section, Data completeness page, climb batch, section order - Features.md: add Top 10 leaderboard section description, Data completeness page section (was missing entirely), month nav on stats, update section reordering default order table to include top10 - Installation.md: add climb detection config table (pre-existing change) + STRAVA_CLIMB_BATCH row documenting the per-run GPX batch limit
Fix internal links: remove .md extension for GitHub wiki
Add full documentation wiki pages