* Add push commits history comment on PR time-line
* Add notify by email and ui of this comment type also

Signed-off-by: a1012112796 <1012112796@qq.com>

* Add migrations for IsForcePush
* fix wrong force-push judgement
* Apply suggestions from code review
* Remove commit number check
* add own notify fun
* fix some typo

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

* fix lint

* fix style again, I forgot something before

* Change email notify way

* fix api

* add number check if It's force-push

* Add repo commit link fuction
remove unnecessary check
skip show push commits comment which not have commits alive

* Update issue_comment.go

* Apply suggestions from code review

Co-authored-by: mrsdizzie <info@mrsdizzie.com>

* Apply suggestions from code review

* fix ui view

Co-authored-by: silverwind <me@silverwind.io>

* fix height

* remove unnecessary style define

* simplify GetBranchName

* Apply suggestions from code review

* save commit ids and isForce push by json
* simplify GetBranchName

* fix bug

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
Co-authored-by: mrsdizzie <info@mrsdizzie.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: silverwind <me@silverwind.io>