Fix oppia#280: Fix bug with multi-cased user names (oppia#281)

Fix oppia#205: Fails CI when a don't merge label get added on a pull …

…request. (oppia#264)

Fix oppia#214: Introduce Github action to perform CLA Check (oppia#233)

Fix oppia#164: Replace Showtim3 with DubeySandeep (oppia#165)

Github Actions: Issue Assigned Check (oppia#93)

* ignore editor folder

* move check issue labels to oppiabot

* build actions

* split up the pr

* create actions build test file and setup ci for it

* modify CI config

* update dist

* setup hooks

* testing hooks

* testing hooks

* build only when actions file changes

* testing hooks

* remove test comment

* modify lint-staged

* another test

* another test

* still testing

* final testing

* remove actions build test from ci

* address review comments

* address review comments

* initial work here

* create check

* more on this

* add tests

* fixed bug

* remove unneeded file

* address review comments

* address review comments

* address review comments

Remove closing of WIP Prs (oppia#80)