feat: frontend, sqlite integration

backend/package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "cors": "^2.8.5",
         "express": "^5.2.1",
+        "sqlite": "^5.1.1",
         "swagger-jsdoc": "^6.2.8",
         "swagger-ui-express": "^5.0.1"
       }
@@ -1017,6 +1018,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/sqlite": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/sqlite/-/sqlite-5.1.1.tgz",
+      "integrity": "sha512-oBkezXa2hnkfuJwUo44Hl9hS3er+YFtueifoajrgidvqsJRQFpc5fKoAkAor1O5ZnLoa28GBScfHXs8j0K358Q==",
+      "license": "MIT"
+    },
     "node_modules/statuses": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",