Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[Bug report]"
+labels: wait confirm
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Flutter version**
+Use `$ flutter doctor -v` and paste info to this.
+
+**Plugin version**
+ Example: 0.x.x

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,13 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[Feature Request]"
+labels: wait confirm
+assignees: ''
+
+---
+
+**Simple description **
+
+**Describe the solution you'd like**
+Explain your detailed requirements in order to assess whether you will join the development plan.

.github/ISSUE_TEMPLATE/need-help.md

@@ -0,0 +1,12 @@
+---
+name: Need help
+about: Describe your needs, see if anyone can help you.
+title: "[Need help]"
+labels: ''
+assignees: ''
+
+---
+
+Describe your needs
+
+If possible, add prototypes / designs and other supporting documents to help others understand your needs.