add linter and fix types for submission field

.github/workflows/test.yml

@@ -0,0 +1,33 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  run-linters:
+    name: Run linters
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16
+
+      # ESLint and Prettier must be in `package.json`
+      - name: Install Node.js dependencies
+        run: yarn install --frozen-lockfile --silent
+
+      - name: Lint
+        run: yarn lint
+
+      - name: Lint
+        run: yarn type-check

graphql/mutation/submission.set.field.mutation.ts

@@ -12,6 +12,7 @@ export interface SubmissionSetFieldMutationVariables {
   field: {
     token: string
     field: string
+    data: string
   }
 }