replace python django backend with nodejs backend

backend/knexfile.ts

@@ -0,0 +1,14 @@
+// only used for migration creation in dev
+//TODO there seems to unneccessary stuff in here
+const config = {
+  client: "sqlite3",
+  useNullAsDefault: true,
+  connection: {
+    filename: "./dev.sqlite3"
+  },
+  migrations: {
+    directory: './src/migrations'
+  }
+};
+
+module.exports = config;