added ci workflow and issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,45 @@
+name: Bug Report
+description: File a bug report
+labels: ["bug"]
+body:
+  - type: textarea
+    id: describe-the-bug
+    attributes:
+      label: Describe the bug
+      description: Provide a clear and concise description of what the bug is
+    validations:
+      required: true
+  - type: textarea
+    id: how-to-reproduce
+    attributes:
+      label: How to reproduce
+      description: Provide a clear and concise description of how to reproduce the bug
+    validations:
+      required: true
+  - type: textarea
+    id: example-code
+    attributes:
+      label: Example code
+      description: If applicable, provide code that can be used reproduce the bug. This will be automatically formatted into code, so no need for backticks.
+      render: go
+  - type: textarea
+    id: output
+    attributes:
+      label: Relevant output
+      description: If applicable, copy and paste any relevant program output / panic messages / stack traces. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: dropdown
+    id: platform
+    attributes:
+      label: Platform
+      description: What platform are you using?
+      options:
+        - macOS
+        - Windows
+        - Linux
+        - iOS
+        - Android
+        - Web
+    validations:
+      required: true
+

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,6 @@
+contact_links:
+  - name: Google Groups
+    url: https://groups.google.com/g/cogentcore
+    about: Get help on the Cogent Core Google Groups mailing list
+
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,17 @@
+name: Feature Request
+description: Request a new feature
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: describe-the-feature
+    attributes:
+      label: Describe the feature
+      description: Provide a clear and concise description of the proposed feature
+    validations:
+      required: true
+  - type: textarea
+    id: code
+    attributes:
+      label: Relevant code
+      description: If applicable, provide any relevant code that shows how the new feature would work. This will be automatically formatted into code, so no need for backticks.
+      render: go

.github/workflows/go.yml

@@ -0,0 +1,30 @@
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.21'
+
+    - name: Install dependency libraries
+      run: |
+        sudo apt-get update
+        sudo apt-get -y install libgl1-mesa-dev xorg-dev
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...