docs: fix hallucinated URLs + add Browser-Flasher / Local-Web-UI / PWA-Walkthrough Fixed: - home-assistant-tanksync → smartghar-homeassistant (real HACS repo) - @RaviSinghTechposts → @ravis1ngh (real YouTube) - smartghar.org/products/tanksync → smartghar.org/tanksync - removed unverified /privacy + /pricing references Added 3 new pages embedding screenshots already in the main repo: - Browser-Flasher: WebSerial flasher walkthrough with screenshots - Local-Web-UI: every tab (Tanks/Devices/Network/System/Cloud) - PWA-Walkthrough: every PWA screen including light/dark variants Hardware-Build now embeds all 9 build photos inline.

Ravi Singh committed May 23, 2026