1750 extensibility twenty sdk v2 use twenty sdk to define an object (#15230)

We maintain jsonc object definition but will deprecate them pretty soon

## Before
<img width="1512" height="575" alt="image"
src="https://github.com/user-attachments/assets/d2fa6ca4-c456-4aa9-a1e3-845b61839718"
/>

## After
<img width="1260" height="555" alt="image"
src="https://github.com/user-attachments/assets/ba72f4cf-d443-4967-913c-029bc71f3f48"
/>

yarn.lock

@@ -21743,6 +21743,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/lodash.capitalize@npm:^4":
+  version: 4.2.9
+  resolution: "@types/lodash.capitalize@npm:4.2.9"
+  dependencies:
+    "@types/lodash": "npm:*"
+  checksum: 10c0/4a4bc23bc82a8a0952bf75712cea34cd9e6eb15ef77a58352d19f387be50cdea0b6f2b21e7f0d87c1623bfd42b8d4fd2384478901702b146f016f4c7c11e1abb
+  languageName: node
+  linkType: hard
+
 "@types/lodash.chunk@npm:^4.2.9":
   version: 4.2.9
   resolution: "@types/lodash.chunk@npm:4.2.9"
@@ -39575,6 +39584,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"lodash.capitalize@npm:^4.2.1":
+  version: 4.2.1
+  resolution: "lodash.capitalize@npm:4.2.1"
+  checksum: 10c0/b289326497c2e24d6b8afa2af2ca4e068ef6ef007ade36bfb6f70af77ce10ea3f090eeee947d5fdcf2db4bcfa4703c8c10a5857a2b39e308bddfd1d11ad35970
+  languageName: node
+  linkType: hard
+
 "lodash.chunk@npm:4.2.0, lodash.chunk@npm:^4.2.0":
   version: 4.2.0
   resolution: "lodash.chunk@npm:4.2.0"
@@ -51694,6 +51710,8 @@ __metadata:
     "@types/fs-extra": "npm:^11.0.0"
     "@types/inquirer": "npm:^9.0.0"
     "@types/jest": "npm:^29.5.0"
+    "@types/lodash.camelcase": "npm:^4.3.7"
+    "@types/lodash.capitalize": "npm:^4"
     "@types/lodash.kebabcase": "npm:^4.1.7"
     "@types/node": "npm:^20.0.0"
     ajv: "npm:^8.12.0"
@@ -51707,9 +51725,11 @@ __metadata:
     inquirer: "npm:^10.0.0"
     jest: "npm:^29.5.0"
     jsonc-parser: "npm:^3.2.0"
+    lodash.camelcase: "npm:^4.3.0"
+    lodash.capitalize: "npm:^4.2.1"
     lodash.kebabcase: "npm:^4.1.1"
     tsx: "npm:^4.7.0"
-    typescript: "npm:^5.3.0"
+    typescript: "npm:^5.9.2"
     wait-on: "npm:^7.2.0"
   bin:
     twenty: dist/cli.js