github/ISSUE_TEMPLATE: cosmetic

Author: ibc

.github/ISSUE_TEMPLATE/Bug_Report.md

@@ -4,7 +4,7 @@ about: Report a bug in mediasoup
 labels: bug
 ---
 
-## Bug Report
+# Bug Report
 
 **IMPORTANT:** We primarily use GitHub as an issue tracker. Just open an issue here if you have encountered a bug in mediasoup.
 
@@ -16,7 +16,7 @@ If you got a crash in mediasoup, please try to provide a core dump into the issu
 
 https://mediasoup.org/support/#crashes-in-mediasoup-get-a-core-dump
 
-### Your environment
+## Your environment
 
 - Operating system:
 - Node version:
@@ -25,4 +25,4 @@ https://mediasoup.org/support/#crashes-in-mediasoup-get-a-core-dump
 - mediasoup version:
 - mediasoup-client version:
 
-### Issue description
+## Issue description

.github/ISSUE_TEMPLATE/Feature_Request.md

@@ -4,4 +4,4 @@ about: Suggest an idea or improvement for mediasoup
 labels: feature
 ---
 
-## Feature Request
+# Feature Request