* move Setting function into its own package
* swagger add&use new section "settings"
* move api AllowedReactions into general UI-Settings endpoint
* prepare TEST
* lint
* reject reactions wich ar not allowed
* dont duble check CreateReaction now throw ErrForbiddenIssueReaction
* add /repos/{owner}/{repo}/issues/comments/{id}/reactions endpoint
* add Find Functions
* fix some swagger stuff + add issue reaction endpoints + GET ReactionList now use FindReactions...
* explicite Issue Only Reaction for FindReactionsOptions with "-1" commentID
* load issue; load user ...
* return error again
* swagger def canged after LINT
* check if user has ben loaded
* add Tests
* better way of comparing results
* add suggestion
* use different issue for test
(dont interfear with integration test)
* test dont compare Location on timeCompare
* TEST: add forbidden dubble add
* add comments in code to explain
* add settings.UI.ReactionsMap
so if !setting.UI.ReactionsMap[opts.Type] works
