enables optional api key auth

src/auth/baseAPIKeyFields.js

@@ -0,0 +1,20 @@
+const validations = require('../fields/validations');
+
+module.exports = [
+  {
+    name: 'enableAPIKey',
+    label: 'Enable API key for this user',
+    type: 'checkbox',
+    defaultValue: false,
+    validate: validations.checkbox,
+  },
+  {
+    name: 'apiKey',
+    type: 'text',
+    label: 'User API Key',
+    condition: (_, siblings) => {
+      return siblings.enableAPIKey && siblings.enableAPIKey.value;
+    },
+    validate: validations.text,
+  },
+];