Update issue templates

Author: freyacodes

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,16 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+[//]: # Please describe the issue in details
+
+Lavalink version used:
+Client used:
+
+[//]: # Remember to include Lavalink logs