front-end submodule

[sajibcuet09]

git submodule update --init --remote
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
How to get front-end submodule

[satheshrgs]

If you are using any Linux distros, generate a SSH key and add it to github SSH keys. Then you will be able to clone the repo.
Else clone the front-end submodule seperately

https://help.github.com/en/articles/adding-a-new-ssh-key-to-your-github-account

[AlexEAA]

Correct on

.gitmodules

[submodule "front-end"]
path = front-end
url = https://github.com/aviabird/angularspree.git