Update issue templates

.github/ISSUE_TEMPLATE/--bug-report.yml

@@ -1,6 +1,5 @@
 name: 🐞 Bug Report
 description: Report an error in this repository
-title: 'Fix: '
 labels: ['bug']
 
 body:
@@ -9,4 +8,12 @@ body:
       label: Describe your issue
       description: Please describe the error in as much detail as possible so that we can fix it quickly.
     validations:
-      required: true
+      required: true
+
+  - type: checkboxes
+    attributes:
+      label: Contributing Guide
+      description: 'Please read this guide before posting your request'
+      options:
+        - label: I have read [Contributing Guide](https://github.com/iptv-org/iptv/blob/master/CONTRIBUTING.md)
+          required: true