Refactor code structure and dependencies

codegen.ts

@@ -0,0 +1,14 @@
+
+import type { CodegenConfig } from '@graphql-codegen/cli';
+
+const config: CodegenConfig = {
+  overwrite: true,
+  schema: "https://api.epess.org/graphql",
+  generates: {
+    "src/graphql/types/graphql.d.ts": {
+      plugins: ["typescript", "typescript-resolvers"]
+    }
+  }
+};
+
+export default config;