Add no response bot

[Evanito]

Description

Adds a no response bot, detailed here: https://probot.github.io/apps/no-response/

TESTING STAGE

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have read CONTRIBUTING.md
• [x] I fully understand Github Flow.
• [N/A] My code adheres to the code style of this project.
• [N/A] I have updated the documentation in /docs if I have changed the config, arguments, logic in how the bot works, or anything that understandably needs a documentation change.
• [N/A] I have updated the config file accordingly if my change requires a new configuration setting or changes an existing one.
• [N/A] I have tested the bot with no issues for 24 continuous hours. If issues were experienced, they have been patched and tested again.