Rebrand to TerKix, add PWA shell & offline cache, tighten Gemini server and storage handling#4

Huynhthuongg wants to merge 3 commits into

mainTerkix-dev/Terkix:mainfrom

codex/review-and-update-project-setup-61nx8bTerkix-dev/Terkix:codex/review-and-update-project-setup-61nx8bCopy head branch name to clipboard