Support Skill in manifest (#18092)

# Introduction
Support skill in manifest, pre-requisite for the twenty standard app
migration

packages/twenty-shared/src/application/enums/syncable-entities.enum.ts

@@ -4,6 +4,7 @@ export enum SyncableEntity {
   LogicFunction = 'logicFunction',
   FrontComponent = 'frontComponent',
   Role = 'role',
+  Skill = 'skill',
   View = 'view',
   NavigationMenuItem = 'navigationMenuItem',
   PageLayout = 'pageLayout',

packages/twenty-shared/src/application/index.ts

@@ -50,6 +50,7 @@ export type {
   FieldPermissionManifest,
   RoleManifest,
 } from './roleManifestType';
+export type { SkillManifest } from './skillManifestType';
 export type { SyncableEntityOptions } from './syncableEntityOptionsType';
 export type {
   ViewManifestFilterValue,

packages/twenty-shared/src/application/manifestType.ts

@@ -7,6 +7,7 @@ import { type NavigationMenuItemManifest } from './navigationMenuItemManifestTyp
 import { type ObjectManifest } from './objectManifestType';
 import { type PageLayoutManifest } from './pageLayoutManifestType';
 import { type RoleManifest } from './roleManifestType';
+import { type SkillManifest } from './skillManifestType';
 import { type ViewManifest } from './viewManifestType';
 
 export type Manifest = {
@@ -16,6 +17,7 @@ export type Manifest = {
   logicFunctions: LogicFunctionManifest[];
   frontComponents: FrontComponentManifest[];
   roles: RoleManifest[];
+  skills: SkillManifest[];
   publicAssets: AssetManifest[];
   views: ViewManifest[];
   navigationMenuItems: NavigationMenuItemManifest[];

packages/twenty-shared/src/application/skillManifestType.ts

@@ -0,0 +1,9 @@
+import { type SyncableEntityOptions } from '@/application/syncableEntityOptionsType';
+
+export type SkillManifest = SyncableEntityOptions & {
+  name: string;
+  label: string;
+  icon?: string;
+  description?: string;
+  content: string;
+};