feat(apis): ajout champs de documentation enrichie sur les API entries

- Nouveaux champs : functionalDoc, technicalDoc, externalDocUrl, contactFunctional, contactTechnical, accessRights
- Entity, DTOs, service et seeder mis à jour côté backend
- Page upload et api-detail mis à jour côté frontend

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

back/src/modules/apis/dto/create-api-entry.dto.ts

@@ -24,4 +24,28 @@ export class CreateApiEntryDto {
   @IsUUID()
   @IsOptional()
   categoryId?: string;
+
+  @IsString()
+  @IsOptional()
+  functionalDoc?: string;
+
+  @IsString()
+  @IsOptional()
+  technicalDoc?: string;
+
+  @IsString()
+  @IsOptional()
+  externalDocUrl?: string;
+
+  @IsString()
+  @IsOptional()
+  contactFunctional?: string;
+
+  @IsString()
+  @IsOptional()
+  contactTechnical?: string;
+
+  @IsString()
+  @IsOptional()
+  accessRights?: string;
 }