feat: Add `create_story_with_subtasks` tool and comprehensive README…

feat: Add `create_story_with_subtasks` tool and comprehensive README documentation for the MCP server.

jira_mcp_server.py

@@ -23,7 +23,7 @@
 import os
 from mcp.server.fastmcp import FastMCP
 from jira import JIRA
-from typing import Optional
+from typing import Optional, List
 
 # Initialize FastMCP Server
 mcp = FastMCP("Dohatec Jira Mcp")
@@ -132,6 +132,43 @@ def create_issue(summary: str, description: str, project_key: str = None, issue_
     except Exception as e:
         return f"Error creating issue: {str(e)}"
 
+@mcp.tool()
+def create_story_with_subtasks(summary: str, description: str, subtasks: List[str], project_key: str = None) -> str:
+    """Creates a new Jira Story along with a list of Sub-tasks. If project_key is not provided, uses the active project."""
+    global ACTIVE_PROJECT
+    jira = _get_jira()
+    
+    target_project = project_key or ACTIVE_PROJECT
+    if not target_project:
+        return "Error: No project_key provided and no active project is set."
+        
+    try:
+        # 1. Create the parent Story
+        story_dict = {
+            'project': {'key': target_project},
+            'summary': summary,
+            'description': description,
+            'issuetype': {'name': 'Story'},
+        }
+        story_issue = jira.create_issue(fields=story_dict)
+        
+        # 2. Create the subtasks linked to the parent Story
+        created_subtasks = []
+        for st_summary in subtasks:
+            subtask_dict = {
+                'project': {'key': target_project},
+                'summary': st_summary,
+                'issuetype': {'name': 'Sub-task'},
+                'parent': {'id': story_issue.key}
+            }
+            st_issue = jira.create_issue(fields=subtask_dict)
+            created_subtasks.append(st_issue.key)
+            
+        subtasks_str = ", ".join(created_subtasks)
+        return f"Successfully created Story {story_issue.key} with subtasks: {subtasks_str}. URL: {JIRA_SERVER}/browse/{story_issue.key}"
+    except Exception as e:
+        return f"Error creating story with subtasks: {str(e)}"
+
 @mcp.tool()
 def assign_issue_to_me(issue_key: str) -> str:
     """Assigns the specified issue to the authenticated user."""