1635 extensibilitytwenty cli app vars (#15143)

- Update twenty-cli to support application env variable definition
- Update twenty-server to create a new `core.applicationVariable` entity
to store env variables and provide env var when executing serverless
function
- Update twenty-front to support application environment variable value
setting

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packages/twenty-front/src/modules/application-variables/graphql/mutations/updateOneApplicationVariable.ts

@@ -0,0 +1,15 @@
+import { gql } from '@apollo/client';
+
+export const UPDATE_ONE_APPLICATION_VARIABLE = gql`
+  mutation UpdateOneApplicationVariable(
+    $key: String!
+    $value: String!
+    $applicationId: UUID!
+  ) {
+    updateOneApplicationVariable(
+      key: $key
+      value: $value
+      applicationId: $applicationId
+    )
+  }
+`;