docs: README quick-start reflects registry-pull + source types

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014TtR4PP2JM9KadaBkhPGAE

README.md

@@ -23,16 +23,29 @@ subscription conversion and API/UI are new.
 
 ## Quick start
 
+Images are built and pushed to the Gitea container registry by CI, so the
+default compose pulls them:
+
 ```sh
 cp .env.example .env
 # edit .env: set ADMIN_PASSWORD and SESSION_SECRET (long random)
-docker compose up -d --build
+docker compose pull
+docker compose up -d
+```
+
+To build the images locally from source instead of pulling, add the build
+override:
+
+```sh
+docker compose -f docker-compose.yml -f docker-compose.build.yml up -d --build
 ```
 
 Open http://localhost:8088 and sign in with `ADMIN_USER` / `ADMIN_PASSWORD`.
 
 Then in the panel:
-1. **Settings → Sources**: add one or more list URLs (see TODO.md for examples).
+1. **Settings → Sources**: add one or more list URLs and pick the type
+   (`auto` tries base64 then plain, or force `plain` / `base64`). See TODO.md
+   for example lists.
 2. **Run check** (top bar) or wait for the scheduled interval.
 3. Working proxies appear in **Proxies**; build client feeds in **Subscriptions**.