Add configuration files for EasyImage setup

- Created EasyImage.lock to lock installation environment.
- Added api_key.php for managing API tokens.
- Introduced config.guest.php for guest user configuration.
- Implemented config.manager.php for manager settings and authentication.
- Established config.php for main application configuration including title, keywords, and upload settings.
- Created install.lock to lock installation process.

docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3.3'
+services:
+  easyimage:
+    image: ddsderek/easyimage:latest
+    container_name: easyimage
+    ports:
+      - '8080:80'
+    environment:
+      - TZ=Asia/Shanghai
+      - PUID=1002
+      - PGID=1003
+      - DEBUG=false
+    volumes:
+      - './public/config:/app/web/config'
+      - './public/api/i:/app/web/i'
+    restart: unless-stopped