Add repo README, update Gitea README, add Caddy HTTPS proxy

docker/gitea/compose.yaml

@@ -9,9 +9,8 @@ services:
       USER_GID: "1000"
       GITEA__database__DB_TYPE: sqlite3
       GITEA__database__PATH: /data/gitea/gitea.db
-      # Temporary URLs for SSH-tunnel initialization; replace after registration.
-      GITEA__server__DOMAIN: localhost
-      GITEA__server__ROOT_URL: http://localhost:3000/
+      GITEA__server__DOMAIN: git.inviscid.dev
+      GITEA__server__ROOT_URL: https://git.inviscid.dev/
       GITEA__server__HTTP_PORT: "3000"
       GITEA__server__DISABLE_SSH: "true"
       GITEA__service__DISABLE_REGISTRATION: "true"
@@ -22,9 +21,28 @@ services:
     networks:
       - services
 
+  caddy:
+    image: caddy:2.10.2
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - caddy_data:/data
+      - caddy_config:/config
+    networks:
+      - services
+    depends_on:
+      - gitea
+
 volumes:
   gitea_data:
     name: inviscid_gitea_data
+  caddy_data:
+    name: inviscid_caddy_data
+  caddy_config:
+    name: inviscid_caddy_config
 
 networks:
   services: