Update issue templates

Author: rev1si0n

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,21 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Generate statistics**
+
+```bash
+wget https://raw.githubusercontent.com/rev1si0n/lamda/master/tools/statistics.sh
+adb push statistics.sh /data/local/tmp
+# su to root (change launch.sh to LAMDA's launch.sh path)
+sh /data/local/tmp/statistics.sh /data/local/tmp/arm64-v8a/bin/launch.sh
+# then attach report file /sdcard/statistics.txt
+```