[API] Add Reactions (#9220)

* 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

routers/api/v1/swagger/issue.go

@@ -84,3 +84,24 @@ type swaggerIssueDeadline struct {
 	// in:body
 	Body api.IssueDeadline `json:"body"`
 }
+
+// EditReactionOption
+// swagger:response EditReactionOption
+type swaggerEditReactionOption struct {
+	// in:body
+	Body api.EditReactionOption `json:"body"`
+}
+
+// ReactionResponse
+// swagger:response ReactionResponse
+type swaggerReactionResponse struct {
+	// in:body
+	Body api.ReactionResponse `json:"body"`
+}
+
+// ReactionResponseList
+// swagger:response ReactionResponseList
+type swaggerReactionResponseList struct {
+	// in:body
+	Body []api.ReactionResponse `json:"body"`
+}