Retire Report a Bug Guild (#13479)

* feat(bug-reporting): Retire Bug Guild and add fancy mailto links

* fix(bug-reporting): update GitHub documentation

* fix(bug-reporting): eh markdown?

* fix(bug-reporting): update Tavern link, remove redundant string

* fix(typo): HabitiCa

.github/ISSUE_TEMPLATE.md

@@ -1,4 +1,4 @@
-[//]: # (Before logging this issue, please post to the Report a Bug guild from the Habitica website's Help menu. Most bugs can be handled quickly there. If a GitHub issue is needed, you will be advised of that by a moderator or staff member -- a player with a dark blue or purple name. It is recommended that you don't create a new issue unless advised to.)
+[//]: # (Before logging this issue, please contact site administrators from the Habitica website's Help menu. Most bugs can be handled quickly there. If a GitHub issue is needed, staff will let you know. It is recommended that you don't create a new issue unless advised to.)
 
 [//]: # (Bugs in the mobile apps can also be reported there.)
 
@@ -6,15 +6,14 @@
 
 [//]: # (For more guidelines see https://github.com/HabitRPG/habitica/issues/2760)
 
-[//]: # (Fill out relevant information - UUID is found from the Habitia website at User Icon > Settings > API)
+[//]: # (Fill out relevant information - UUID is found from the Habitica website at User Icon > Settings > API)
 ### General Info
-  * UUID: 
-  * Browser: 
-  * OS: 
+  * UUID:
+  * Browser:
+  * OS:
 
 ### Description
 [//]: # (Describe bug in detail here. Include screenshots if helpful.)
 
 #### Console Errors
 [//]: # (Include any JavaScript console errors here.)
-