chore(github): Update issue template to have several choices

.github/ISSUE_TEMPLATE/a_question.md

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+---
+name: Question 🤔
+about: Usage question or discussion about Eclipse Che.
+title: ''
+labels: 'kind/question'
+assignees: ''
+
+---
+<!--
+  To make it easier for us to help you, please include as much useful information as possible.
+
+  Useful Links:
+  - Documentation: https://www.eclipse.org/che/docs
+  - Contributing: https://github.com/eclipse/che/blob/master/CONTRIBUTING.md
+
+  Eclipse Che has public chat on:
+
+  - Mattermost: https://mattermost.eclipse.org/eclipse/channels/eclipse-che
+
+  Before opening a new issue, please search existing issues https://github.com/eclipse/che/issues
+-->
+
+## Summary
+
+## Relevant information
+
+<!-- Provide as much useful information as you can -->

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report 🐞
+about: Report a bug found in Eclipse Che
+title: ''
+labels: 'king/bug'
+assignees: ''
+
+---
+<!--
+  To make it easier for us to help you, please include as much useful information as possible.
+
+  Useful Links:
+  - Documentation: https://www.eclipse.org/che/docs
+  - Contributing: https://github.com/eclipse/che/blob/master/CONTRIBUTING.md
+
+  Eclipse Che has public chat on:
+
+  - Mattermost: https://mattermost.eclipse.org/eclipse/channels/eclipse-che
+
+  Before opening a new issue, please search existing issues https://github.com/eclipse/che/issues
+-->
+
+### Describe the bug
+<!-- A clear and concise description of what the bug is. -->
+
+### Che version
+<!-- (if workspace is running, version can be obtained with help/about menu) -->
+ - [ ] latest
+ - [ ] nightly
+ - [ ] other: please specify
+
+### Steps to reproduce
+
+<!--
+1. Do '...'
+2. Click on '....'
+3. See error
+-->
+
+### Expected behavior
+<!-- A clear and concise description of what you expected to happen. -->
+
+### Runtime
+   - [ ] kubernetes (include output of `kubectl version`) 
+   - [ ] Openshift (include output of `oc version`)
+   - [ ] minikube (include output of `minikube version` and `kubectl version`)
+   - [ ] minishift (include output of `minishift version` and `oc version`)
+   - [ ] docker-desktop + K8S (include output of `docker version` and `kubectl version`)
+   - [ ] other: (please specify)
+
+### Screenshots
+<!-- If applicable, add screenshots to help explain your problem. -->
+
+### Installation method
+   - [ ] chectl <!--(please specify the options of chectl tool) -->
+   - [ ] che-operator <!--(version of che-operator) -->
+   - [ ] minishift-addon
+   - [ ] I don't know
+
+### Environment
+   - [ ] my computer 
+       - [ ] Windows
+       - [ ] Linux
+       - [ ] macOS
+   - [ ] Cloud
+       - [ ] Amazon
+       - [ ] Azure
+       - [ ] GCE
+       - [ ] other (please specify) 
+   - [ ] other: please specify
+
+### Additional context
+<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/enhancement.md

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+---
+name: Enhancement💡
+about: Suggest a enhancement for Eclipse Che
+title: ''
+labels: 'kind/enhancement'
+assignees: ''
+
+---
+### Is your enhancement 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 enhancement here. -->

.github/ISSUE_TEMPLATE/task.md

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+---
+name: Task 🔧
+about: Internal things, technical debt, and to-do tasks to be performed.
+title: ''
+labels: 'kind/task'
+assignees: ''
+
+---
+### Is your task related to a problem? Please describe.
+<!-- A clear and concise description of what the problem is.-->
+
+### 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 task here. -->