Update GitHub issue templates (#339)

updated issue templates

.github/ISSUE_TEMPLATE/1-bug.yml

@@ -7,6 +7,13 @@ body:
     attributes:
       value: |
         Thanks for taking the time to improve Cleanuparr!
+  - type: checkboxes
+    id: duplicate-check
+    attributes:
+      label: "Duplicate check"
+      options:
+        - label: I have searched for existing issues and confirmed this is not a duplicate.
+          required: true
   - type: checkboxes
     id: init
     attributes:

.github/ISSUE_TEMPLATE/2-feature.yml

@@ -7,6 +7,13 @@ body:
     attributes:
       value: |
         Thanks for taking the time to improve Cleanuparr!
+  - type: checkboxes
+    id: duplicate-check
+    attributes:
+      label: "Duplicate check"
+      options:
+        - label: I have searched for existing issues and confirmed this is not a duplicate.
+          required: true
   - type: checkboxes
     id: init
     attributes:

.github/ISSUE_TEMPLATE/3-help.yml

@@ -7,6 +7,13 @@ body:
     attributes:
       value: |
         If you are experiencing unexpected behavior, please consider submitting a bug report instead.
+  - type: checkboxes
+    id: duplicate-check
+    attributes:
+      label: "Duplicate check"
+      options:
+        - label: I have searched for existing issues and confirmed this is not a duplicate.
+          required: true
   - type: checkboxes
     id: init
     attributes:

.github/ISSUE_TEMPLATE/config.yml

@@ -1,2 +1,8 @@
 blank_issues_enabled: false
-contact_links: []
+contact_links:
+  - name: Discord Community
+    url: https://discord.gg/SCtMCgtsc4
+    about: Join our Discord for real-time help and discussions
+  - name: Documentation
+    url: https://cleanuparr.github.io/Cleanuparr/
+    about: Check the documentation for configurations and usage guidelines