Serverless function UI (#6388)

https://www.figma.com/design/xt8O9mFeLl46C5InWwoMrN/Twenty?node-id=36235-120877

Did not do the file manager part. A Function is defined using one unique
file at the moment

Feature protected by featureFlag `IS_FUNCTION_SETTINGS_ENABLED`

## Demo


https://github.com/user-attachments/assets/0acb8291-47b4-4521-a6fa-a88b9198609b

packages/twenty-front/src/modules/settings/serverless-functions/graphql/queries/findManyServerlessFunctions.ts

@@ -0,0 +1,15 @@
+import { gql } from '@apollo/client';
+import { SERVERLESS_FUNCTION_FRAGMENT } from '@/settings/serverless-functions/graphql/fragments/serverlessFunctionFragment';
+
+export const FIND_MANY_SERVERLESS_FUNCTIONS = gql`
+  ${SERVERLESS_FUNCTION_FRAGMENT}
+  query GetManyServerlessFunctions {
+    serverlessFunctions(paging: { first: 100 }) {
+      edges {
+        node {
+          ...ServerlessFunctionFields
+        }
+      }
+    }
+  }
+`;

packages/twenty-front/src/modules/settings/serverless-functions/graphql/queries/findOneServerlessFunction.ts

@@ -0,0 +1,11 @@
+import { gql } from '@apollo/client';
+import { SERVERLESS_FUNCTION_FRAGMENT } from '@/settings/serverless-functions/graphql/fragments/serverlessFunctionFragment';
+
+export const FIND_ONE_SERVERLESS_FUNCTION = gql`
+  ${SERVERLESS_FUNCTION_FRAGMENT}
+  query GetOneServerlessFunction($id: UUID!) {
+    serverlessFunction(id: $id) {
+      ...ServerlessFunctionFields
+    }
+  }
+`;