Add more checks to the issue template

**Is your feature request related to a problem? Please describe.**
Devs are not resolving pr issues before requesting for reviews

**Describe the solution you'd like**
Add a few checkpoints so that the PR author needs to tick before requesting for a review.
- Have you resolved all current merge conflicts
- Have you type checked and built the project
- Have you run autoformatting and linting

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.

**Additional context**
Add any other context or screenshots about the feature request here.