some cleanup, split backend and frontend

backend/ormconfig.dockerdevexample.json

@@ -0,0 +1,19 @@
+{
+    "type": "mariadb",
+    "host": "db",
+    "port": 3306,
+    "username": "photosuser",
+    "password": "photospass",
+    "database": "photosdb",
+    "synchronize": false,
+    "logging": false,
+    "entities": ["src/entity/**/*.ts"],
+    "migrations": ["src/migration/**/*.ts"],
+    "subscribers": ["src/subscriber/**/*.ts"],
+    "cli": {
+        "entitiesDir": "src/entity",
+        "migrationsDir": "src/migration",
+        "subscribersDir": "src/subscriber"
+    },
+    "charset": "utf8mb4"
+}