feat: Add comprehensive README documentation and enhance…

feat: Add comprehensive README documentation and enhance `create_issue_with_subtasks` to support both Story and Task parent types.

jira_mcp_server.py

@@ -133,8 +133,8 @@ def create_issue(summary: str, description: str, project_key: str = None, issue_
         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."""
+def create_issue_with_subtasks(summary: str, description: str, subtasks: List[str], project_key: str = None, parent_issue_type: str = "Story") -> str:
+    """Creates a new Jira Issue (Story or Task) along with a list of Sub-tasks. If project_key is not provided, uses the active project."""
     global ACTIVE_PROJECT
     jira = _get_jira()
     
@@ -143,31 +143,31 @@ def create_story_with_subtasks(summary: str, description: str, subtasks: List[st
         return "Error: No project_key provided and no active project is set."
         
     try:
-        # 1. Create the parent Story
-        story_dict = {
+        # 1. Create the parent issue (Story or Task)
+        parent_dict = {
             'project': {'key': target_project},
             'summary': summary,
             'description': description,
-            'issuetype': {'name': 'Story'},
+            'issuetype': {'name': parent_issue_type},
         }
-        story_issue = jira.create_issue(fields=story_dict)
+        parent_issue = jira.create_issue(fields=parent_dict)
         
-        # 2. Create the subtasks linked to the parent Story
+        # 2. Create the subtasks linked to the parent issue
         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}
+                'parent': {'id': parent_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}"
+        return f"Successfully created {parent_issue_type} {parent_issue.key} with subtasks: {subtasks_str}. URL: {JIRA_SERVER}/browse/{parent_issue.key}"
     except Exception as e:
-        return f"Error creating story with subtasks: {str(e)}"
+        return f"Error creating {parent_issue_type} with subtasks: {str(e)}"
 
 @mcp.tool()
 def assign_issue_to_me(issue_key: str) -> str: