* Correct for new GitHub default branch
This PR corrects the default branch of GitHub from master to main. This is ne GitHub repository configuration from Oct 1st, 2020
* Update Saving to a Git service.tid
GitLab still uses `master` as default branch.
* Add Kookma plugins as resources
Some of Kookma resources including TW-Scripts, Commander, Trashbin, Todolist has been added.
* Revert "Add Kookma plugins as resources"
This reverts commit 199fce3a08f8e21c776c7e37734b0d36753bb3e8.