Update issue templates

Author: sonus21

.github/ISSUE_TEMPLATE/i-m-using-rqueue.md

@@ -8,7 +8,11 @@ assignees: sonus21
 ---
 
 # Organisation Name
+
 # Organisation link
+
 # How are you using Rqueue?
+
 # How many messages do Rqueue process daily?
-# Any Icon (optional)
+
+# Any Icon