Add issue template for new commands

[ci skip]

Author: bzon

.github/ISSUE_TEMPLATE/feature--new-command.md

@@ -0,0 +1,10 @@
+---
+name: 'feature: new command'
+about: Suggest a new command to add
+
+---
+
+__Feature Documentation Reference__
+
+* Go Library Doc: https://godoc.org/github.com/xanzy/go-gitlab library link if it exists 
+* REST API Doc: https://docs.gitlab.com/ce/api resource api reference

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/new-command-feature.md

@@ -0,0 +1,10 @@
+---
+name: New Command Feature
+about: Suggest a new command to add
+
+---
+
+## Feature Document Reference
+
+* Go Library Doc: https://godoc.org/github.com/xanzy/go-gitlab library link if it exists 
+* REST API Doc: https://docs.gitlab.com/ce/api resource api reference