feat: add Sub2API application for AI API gateway platform

- Add Sub2API 1Panel application configuration
- Support subscription quota distribution, API Key management, billing and load balancing
- Include docker-compose.yml, data.yml, README documentation and logo
- Support amd64 and arm64 architectures

apps/sub2api/latest/config.yaml

@@ -0,0 +1,20 @@
+server:
+  host: "0.0.0.0"
+  port: 8080
+  mode: "release"
+
+database:
+  host: "postgres"
+  port: 5432
+  user: "sub2api"
+  password: "${POSTGRES_PASSWORD}"
+  dbname: "sub2api"
+
+redis:
+  host: "redis"
+  port: 6379
+  password: ""
+
+jwt:
+  secret: "sub2api_jwt_secret_change_in_production_32chars"
+  expire_hour: 24

apps/sub2api/latest/data.yml

@@ -0,0 +1,33 @@
+additionalProperties:
+  formFields:
+    - default: 8080
+      edit: true
+      envKey: PANEL_APP_PORT_HTTP
+      labelEn: Web Port
+      labelZh: Web 端口
+      required: true
+      rule: paramPort
+      type: number
+    - default: Asia/Shanghai
+      edit: true
+      envKey: TZ
+      labelEn: Time Zone
+      labelZh: 时区
+      required: true
+      type: text
+    - default: sub2api_secure_jwt_secret_change_in_production
+      edit: true
+      envKey: JWT_SECRET
+      labelEn: JWT Secret
+      labelZh: JWT 密钥
+      required: true
+      rule: paramCommon
+      type: password
+    - default: sub2api_secure_db_password_change_in_production
+      edit: true
+      envKey: POSTGRES_PASSWORD
+      labelEn: PostgreSQL Password
+      labelZh: PostgreSQL 密码
+      required: true
+      rule: paramCommon
+      type: password

apps/sub2api/latest/data/config.yml

@@ -0,0 +1,26 @@
+server:
+  host: "0.0.0.0"
+  port: 8080
+  mode: "release"
+
+database:
+  host: "postgres"
+  port: 5432
+  user: "sub2api"
+  password: "${POSTGRES_PASSWORD}"
+  dbname: "sub2api"
+
+redis:
+  host: "redis"
+  port: 6379
+  password: ""
+
+jwt:
+  secret: "${JWT_SECRET}"
+  expire_hour: 24
+
+default:
+  user_concurrency: 5
+  user_balance: 0
+  api_key_prefix: "sk-"
+  rate_multiplier: 1.0

apps/sub2api/latest/docker-compose.yml

@@ -0,0 +1,57 @@
+services:
+  sub2api:
+    image: weishaw/sub2api:latest
+    container_name: ${CONTAINER_NAME}
+    restart: always
+    networks:
+      - 1panel-network
+    ports:
+      - "${PANEL_APP_PORT_HTTP}:8080"
+    volumes:
+      - ./data:/app/data
+      - ./config.yaml:/app/config.yaml:ro
+    environment:
+      - TZ=${TZ}
+      - POSTGRES_CONN_STRING=postgres://sub2api:${POSTGRES_PASSWORD}@postgres:5432/sub2api?sslmode=disable
+      - REDIS_CONN_STRING=redis://redis:6379/0
+      - JWT_SECRET=${JWT_SECRET}
+    labels:
+      createdBy: "Apps"
+    depends_on:
+      - postgres
+      - redis
+
+  postgres:
+    image: postgres:15-alpine
+    container_name: ${CONTAINER_NAME}-postgres
+    restart: always
+    networks:
+      - 1panel-network
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=sub2api
+      - POSTGRES_USER=sub2api
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+    labels:
+      createdBy: "Apps"
+
+  redis:
+    image: redis:7-alpine
+    container_name: ${CONTAINER_NAME}-redis
+    restart: always
+    networks:
+      - 1panel-network
+    volumes:
+      - redis_data:/data
+    command: redis-server --appendonly yes
+    labels:
+      createdBy: "Apps"
+
+networks:
+  1panel-network:
+    external: true
+
+volumes:
+  postgres_data:
+  redis_data: