implemented new mocks
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #633 from nutan-gooru/dev-branch

Implemented new mocks for follow
Merge pull request #634 from VinRudramurthy/dev-branch

Added text for assign pop up in class page.
"6.4 [Marketing] New in Gooru Popup Changes Updated."
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Fixed Titles of public collections displayed in black
add tick mark image
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
DO-4793 bug has been fixed.
Merge pull request #635 from nutan-gooru/dev-branch

Fixed Titles of public collections displayed in black
Merge pull request #636 from sravanthi1/dev-branch

"6.4 [Marketing] New in Gooru Popup Changes Updated."
Merge pull request #637 from shivalinga/dev-branch

DO-4793 bug has been fixed.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch