FEAT: target project on create MR

issue: #172

Author: test_admin

index.ts

@@ -1357,6 +1357,7 @@ async function createMergeRequest(
       description: options.description,
       source_branch: options.source_branch,
       target_branch: options.target_branch,
+      target_project_id: options.target_project_id,
       assignee_ids: options.assignee_ids,
       reviewer_ids: options.reviewer_ids,
       labels: options.labels?.join(","),

schemas.ts

@@ -833,6 +833,7 @@ const MergeRequestOptionsSchema = {
   description: z.string().optional().describe("Merge request description"),
   source_branch: z.string().describe("Branch containing changes"),
   target_branch: z.string().describe("Branch to merge into"),
+  target_project_id: z.coerce.string().optional().describe("Numeric ID of the target project."),
   assignee_ids: z
     .array(z.number())
     .optional()