Feat/markdown formatter

[ajshedivy]

improve markdown formatter.

Table Format Styles

Turn on optional markown formatting:

responseFormat: markdown

The tableFormat field controls the visual style of result tables. Four styles are available:

• markdown (default)
• ascii
• grid
• compact

tools:
  get_employee_details:
    source: ibmi-sample
    description: Retrieve detailed information about an employee including department and manager
    statement: |
      SELECT 
        E.EMPNO, 
        E.FIRSTNME, 
        E.MIDINIT, 
        E.LASTNAME, 
        E.JOB, 
        E.HIREDATE, 
        E.SALARY, 
        E.BONUS, 
        E.WORKDEPT,
        D.DEPTNAME,
        D.LOCATION,
        M.FIRSTNME AS MGR_FIRSTNME,
        M.LASTNAME AS MGR_LASTNAME
      FROM SAMPLE.EMPLOYEE E
      LEFT JOIN SAMPLE.DEPARTMENT D ON E.WORKDEPT = D.DEPTNO
      LEFT JOIN SAMPLE.EMPLOYEE M ON D.MGRNO = M.EMPNO
      WHERE E.EMPNO = :employee_id
    parameters:
      - name: employee_id
        type: string
        description: "Employee ID (e.g., '000010') - Must be 6 digits"
        required: true
        pattern: "^[0-9]{6}$"
    responseFormat: markdown
    tableFormat: grid