chore: refactor a lot, add codegen and upgrade vue

codegen.yml

@@ -1,6 +1,22 @@
-schema: ./schema.graphql
-overwrite: true
+schema: ./graphql/schema.graphql
+documents: './graphql/**/*.graphql'
 generates:
-  ./fragmentTypes.json:
+  ./graphql/generated/operations.ts:
     plugins:
-      - fragment-matcher
+    - typescript
+    - typescript-operations
+    - typescript-vue-apollo
+    - fragment-matcher
+    config:
+      fetcher: fetch
+      avoidOptionals:
+        field: true
+        inputValue: true
+        object: false
+        defaultValue: true
+      maybeValue: T | null | undefined
+      strictScalars: true
+      scalars:
+        LocalDate: string
+        LocalDateTime: string
+      vueCompositionApiImportFrom: vue