Add issue template

[Gimhan-minion]

Purpose

The purpose of this PR is to fix #146

Goals

To add issue template for developers.

Approach

Add 2 files 1.Bug report template 2.Feature suggest template

Screenshots

Checklist

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

Test environment

Ubuntu 20.04