Added nixpup MangoWC build features.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,38 +0,0 @@
----
-name: Bug report
-about: Something in mango isn't working correctly
-title: ""
-labels: "A: bug"
-assignees: ""
----
-
-## Info
-
-<!--Paste mango version from running "mango -v"-->
-<!--
-Wlroots library needs to be built from this repository to avoid crashes
-https://github.com/DreamMaoMao/wlroots.git
--->
-
-mango version:
-wlroots version:
-
-## Crash track
-1.you need to build mango by enable asan flag.
-```bash
-meson build -Dprefix=/usr -Dasan=true
-``
-2.run mango in tty.
-```bash
-export ASAN_OPTIONS="detect_leaks=1:halt_on_error=0:log_path=/home/xxx/asan.log"
-mango
-
-```
-
-3.after mango crash,paste the log file `/home/xxx/asan.log` here.
-
-## Description
-
-<!--
-Only report bugs that can be reproduced on the main line
--->