[SKIP CI] Feature/improve issue moderator workflow (#701)

* [IssueModerator] Improve un-removed "acknowledgment" section detection

* [IssueModerator] Check for invalid issue types in title

* [IssueModerator] Try to ensure short descriptive title

* [IssueModerator] Try to prevent questions in the title

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,7 +18,7 @@ I acknowledge that:
 
 Note that the issue will be automatically closed if you do not fill out the title or requested information.
 
-**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+**Delete everything up to "## Device information" if you've read and acknowledged this section**
 
 ---
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -18,7 +18,7 @@ I acknowledge that:
 
 Note that the issue will be automatically closed if you do not fill out the title or requested information.
 
-**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+**Delete everything up to "## What feature should be added to Suwayomi" if you've read and acknowledged this section**
 
 ---
 

.github/workflows/issue_moderator.yml

@@ -18,6 +18,11 @@ jobs:
           existing-check-enabled: true
           auto-close-rules: |
             [
+              {
+                "type": "title",
+                "regex": "^(?!(\[(Feature Request|Bug\] )))",
+                "message": "Invalid title. Must start with either \"[Feature Request]\" or \"[Bug]\""
+              },
               {
                 "type": "title",
                 "regex": ".*<short description>.*",
@@ -28,9 +33,24 @@ jobs:
                 "regex": ".*(<|>)+.*",
                 "message": "You did not remove Angle brackets(< and >) from the title"
               },
+              {
+                "type": "title",
+                "regex": "^\[(Feature Request|Bug)\](?!.{0,75}$)",
+                "message": "The title is too long, keep it short and descriptive"
+              },
+              {
+                "type": "title",
+                "regex": "^\[(Feature Request|Bug)\](?!.{10,75}$)",
+                "message": "The title is too short to provide any valuable short description"
+              },
+              {
+                "type": "title",
+                "regex": ".*\?.*)",
+                "message": "The title is not supposed to be a question"
+              },
               {
                 "type": "body",
-                "regex": ".*DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT.*",
+                "regex": "^(?!## (Device information|What feature should be added to Suwayomi\?))",
                 "message": "The acknowledgment section was not removed"
               },
               {