add labels to gitlab issue templates

Signed-off-by: Kevin Morris <kevr@0cost.org>

.gitlab/issue_templates/Account Request.md

@@ -10,3 +10,5 @@
 - Username: the_username_you_want
 - Email: valid@email.org
 - Account Type: (User|Trusted User)
+
+/label account-request

.gitlab/issue_templates/Bug.md

@@ -32,3 +32,5 @@ aurweb's HTML render output. If you're testing locally, use the
 commit on which you are experiencing the bug. If you have found
 a bug which exists on live aur.archlinux.org, include the version
 located at the bottom of the webpage.
+
+/label bug unconfirmed

.gitlab/issue_templates/Feature.md

@@ -28,3 +28,5 @@ Example:
 
 - [Feature] Do not allow users to be Tyrants
     - \<(issue|merge_request)_link\>
+
+/label feature unconsidered

.gitlab/issue_templates/Feedback.md

@@ -54,3 +54,5 @@ That being said: please include an overall summary of your experience
 and how you felt about the current implementation which you're testing
 in comparison with PHP (current aur.archlinux.org, or https://localhost:8443
 through docker).
+
+/label feedback