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

yarn.lock

@@ -8671,6 +8671,30 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@monaco-editor/loader@npm:^1.4.0":
+  version: 1.4.0
+  resolution: "@monaco-editor/loader@npm:1.4.0"
+  dependencies:
+    state-local: "npm:^1.0.6"
+  peerDependencies:
+    monaco-editor: ">= 0.21.0 < 1"
+  checksum: 10c0/68938350adf2f42363a801d87f5d00c87d397d4cba7041141af10a9216bd35c85209b4723a26d56cb32e68eef61471deda2a450f8892891118fbdce7fa1d987d
+  languageName: node
+  linkType: hard
+
+"@monaco-editor/react@npm:^4.6.0":
+  version: 4.6.0
+  resolution: "@monaco-editor/react@npm:4.6.0"
+  dependencies:
+    "@monaco-editor/loader": "npm:^1.4.0"
+  peerDependencies:
+    monaco-editor: ">= 0.25.0 < 1"
+    react: ^16.8.0 || ^17.0.0 || ^18.0.0
+    react-dom: ^16.8.0 || ^17.0.0 || ^18.0.0
+  checksum: 10c0/231e9a9b66a530db326f6732de0ebffcce6b79dcfaf4948923d78b9a3d5e2a04b7a06e1f85bbbca45a5ae15c107a124e4c5c46cabadc20a498fb5f2d05f7f379
+  languageName: node
+  linkType: hard
+
 "@motionone/animation@npm:^10.12.0":
   version: 10.16.3
   resolution: "@motionone/animation@npm:10.16.3"
@@ -39375,6 +39399,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"monaco-editor@npm:^0.50.0":
+  version: 0.50.0
+  resolution: "monaco-editor@npm:0.50.0"
+  checksum: 10c0/79189c926c2fc1e3a3b9118e80911599bf18108018fe176c7b47a27b4856b544129f9a59c9a5c321d154d6a30a8d9c231684246e9382f4f18329a548d11cb4d6
+  languageName: node
+  linkType: hard
+
 "mri@npm:^1.1.0":
   version: 1.2.0
   resolution: "mri@npm:1.2.0"
@@ -47161,6 +47192,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"state-local@npm:^1.0.6":
+  version: 1.0.7
+  resolution: "state-local@npm:1.0.7"
+  checksum: 10c0/8dc7daeac71844452fafb514a6d6b6f40d7e2b33df398309ea1c7b3948d6110c57f112b7196500a10c54fdde40291488c52c875575670fb5c819602deca48bd9
+  languageName: node
+  linkType: hard
+
 "static-browser-server@npm:1.0.3":
   version: 1.0.3
   resolution: "static-browser-server@npm:1.0.3"
@@ -49095,6 +49133,7 @@ __metadata:
     "@graphql-yoga/nestjs": "patch:@graphql-yoga/nestjs@2.1.0#./patches/@graphql-yoga-nestjs-npm-2.1.0-cb509e6047.patch"
     "@langchain/mistralai": "npm:^0.0.24"
     "@langchain/openai": "npm:^0.1.3"
+    "@monaco-editor/react": "npm:^4.6.0"
     "@nestjs/cache-manager": "npm:^2.2.1"
     "@nestjs/cli": "npm:10.3.0"
     "@nestjs/devtools-integration": "npm:^0.1.6"
@@ -49125,6 +49164,7 @@ __metadata:
     lodash.omitby: "npm:^4.6.0"
     lodash.uniq: "npm:^4.5.0"
     lodash.uniqby: "npm:^4.7.0"
+    monaco-editor: "npm:^0.50.0"
     passport: "npm:^0.7.0"
     psl: "npm:^1.9.0"
     rimraf: "npm:^5.0.5"