[GH-618]: Added slack attachment for webhook posts, in order to comment, edit, and close issues. - #636

[GH-618]: Added slack attachment for webhook posts, in order to comment, edit, and close issues.#636

Nityanand13 wants to merge 33 commits into

mattermost:mastermattermost/mattermost-plugin-github:masterfrom

Brightscout:MM-618Brightscout/mattermost-plugin-github:MM-618Copy head branch name to clipboard