Add ISSUE_TEMPLATE.md

[co-robo]

Add a file named ISSUE_TEMPLATE.md which includes general information and guidelines for issue reporter, you can see ISSUE_TEMPLATE.md of coala repository for reference.
label: initiatives/gci
Opened by @Monal5031 at gitter//Monal5031

[ShubhamBansal1997]

@jayvdb Please assign this to me.

[jayvdb]

This issue seems stale!

@ShubhamBansal1997 please reassign yourself if you're still working on this.

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[ShubhamBansal1997]

@jayvdb yes Please reassign, I am working on it

[fireballpoint1]

@jayvdb please assign this to me
Also the current template file merely has a comment to the instruction link ( can be seen only in raw). Do we want to add the same this as here in this template ?

[viragumathe5]

Hey If anybody is not working on this issue please assign it to me as the last activity was from 30th Oct 2018 please assign this issue to me