enhance issue_template (#837)

.github/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -0,0 +1,43 @@
+---
+name: Bug Report
+labels: bug
+about: If something isn't working as expected.
+---
+
+# What did you do? (required. The issue will be **closed** when not provided.)
+
+
+# What did you expect to happen?
+
+
+# What happened instead?
+
+* Current Output
+
+Please re-run the command using ```-debug``` and provide the output below.
+
+# Steps to reproduce the behaviour
+
+
+# Configuration (**MUST** fill this out):
+
+* Go version (`go version`):
+
+* Go environment (`go env`):
+
+* Vuls environment:
+
+Hash : ____
+
+To check the commit hash of HEAD
+$ vuls -v
+
+or
+
+$ cd $GOPATH/src/github.com/future-architect/vuls 
+$ git rev-parse --short HEAD 
+
+* config.toml:
+
+* command:
+

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

@@ -0,0 +1,9 @@
+---
+name: Feature Request
+labels: enhancement
+about: I have a suggestion (and might want to implement myself)!
+---
+
+<!--
+If this is a FEATURE REQUEST, request format does not matter!
+-->

.github/ISSUE_TEMPLATE/SUPPORT_QUESTION.md

@@ -0,0 +1,10 @@
+---
+name: Support Question
+labels: question
+about: If you have a question about Vuls.
+---
+
+<!--
+If you have a trouble, feel free to ask.
+Make sure you're not asking duplicate question by searching on the issues lists.
+-->