Rename 'title' to 'month' in monthly check-in functionality

[mayura-andrew]

Purpose

The purpose of this PR is to fix #193

Goals

Rename the title column to month in monthly_checking table and update related code.

Approach

Rename the column with correct name. (month).

Screenshots

Checklist

• This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Related PRs

Test environment

OS - Arch Linux

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