[WIP]Comment and subscribe

[SidharthBansal]

Fixes #4283
Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

• tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR -- or run tests locally with rake test
• code is in uniquely-named feature branch and has no merge conflicts
• PR is descriptively titled
• ask @publiclab/reviewers for help, in a comment below

We're happy to help you get this ready -- don't be afraid to ask for help, and don't be discouraged if your tests fail at first!

If tests do fail, click on the red X to learn why by reading the logs.

Please be sure you've reviewed our contribution guidelines at https://publiclab.org/contributing-to-public-lab-software

Thanks!

[plotsbot]

	1 Error
🚫	There was an error with Danger bot’s Junit parsing: undefined method `value’ for nil:NilClass

	1 Warning
⚠️	It looks like you merged from master in this pull request. Please rebase to get rid of the merge commits – you may want to rewind the master branch and rebase instead of merging in from master, which can cause problems when accepting new code!

	3 Messages
📖	@SidharthBansal Thank you for your pull request! I’m here to help with some tips and recommendations. Please take a look at the list provided and help us review and accept your contribution! And don’t be discouraged if you see errors – we’re here to help.
📖	Pull Request is marked as Work in Progress
📖	#<NoMethodError: undefined method `value’ for nil:NilClass>

Generated by 🚫 Danger

[SidharthBansal]

Working on it. Not pushed anything till yet. Just opened a PR. Will be pushing soon.

[SidharthBansal]

Laptop write access working now. :-)