Add branding configuration and assets for Sepehr tenant

- Created branding.config.ts to define branding settings including app title, support contact information, and working hours.
- Added brandingAssets.ts to import and export logo and login images for the Sepehr tenant.
- Introduced config.ts to specify application type as POS for the Sepehr tenant.

docker-compose.yml

@@ -13,6 +13,18 @@ services:
       - "8091:8090"
     restart: unless-stopped
 
+  app_sepehr:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        TENANT: sepehr
+        DIST_DIR: sepehr
+
+    ports:
+      - "8092:8090"
+    restart: unless-stopped
+
   app_default:
     build:
       context: .