🐛 use dynamic protocol placeholder in gitea app.ini 🐛

- Replace hardcoded `PROTOCOL = http` with `REPLACE_SERVER_PROTO` in the `[server]` section
- Keeps PROTOCOL consistent with ROOT_URL, which already uses the placeholder
- Lets the entrypoint set the protocol at runtime instead of forcing http

AGENTS.md
rootfs/tmp/etc/gitea/app.ini

AGENTS.md

@@ -0,0 +1,3 @@
+# gitea
+
+Read `AI.md` and `IDEA.md` before acting on this project.

rootfs/tmp/etc/gitea/app.ini

@@ -5,7 +5,7 @@ RUN_MODE                                                   = prod
 
 ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 [server]
-PROTOCOL                                                   = http
+PROTOCOL                                                   = REPLACE_SERVER_PROTO
 HTTP_ADDR                                                  = 0.0.0.0
 HTTP_PORT                                                  = 80
 ROOT_URL                                                   = REPLACE_SERVER_PROTO://REPLACE_SERVER_NAME