docs: update G11 for GifHistoryPageComponent moved to pages/
docs: split trending/searched signals in G9-G10 and add module G11 (search history)
docs: add module G9 (service to screen with signals), note on withFetch, link G6 to G9
docs: add module G8 (deploy 03-gifs-app to Coolify) and index entry
docs: fix broken anchor to module G6 in module G7
docs: document NG_APP_ prefix and Coolify build variables in module G5
docs: document env variables and secrets handling in module G5
docs: add module G7 comparing fetch, Axios and HttpClient
docs: add modules G2 to G6 to Part 3 GIFs App Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
docs: add Part 3 GIFs App with Tailwind module Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>