add CD to deploy neuron; fix build CI

Author: kkoreilly

.github/workflows/core.yml

@@ -0,0 +1,67 @@
+name: Deploy Cogent Core App to GitHub Pages
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+    branches:
+      - main
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+# Default to bash
+defaults:
+  run:
+    shell: bash
+
+jobs:
+
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.22'
+
+      - name: Install Core
+        run: go install cogentcore.org/core/cmd/core@4760cbf
+
+      - name: Build Neuron
+        run: core build web -dir ch2/neuron -o static/ch2/neuron
+
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v3
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+            path: "static"
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

.github/workflows/go.yml

@@ -25,10 +25,4 @@ jobs:
       run: go build -v ./...
 
     - name: Test
-      run: go test -v ./... -coverprofile cover.out
-
-    - name: Update coverage report
-      uses: ncruces/go-coverage-report@v0
-      with:
-        coverage-file: cover.out
-      if: github.event_name == 'push'
+      run: go test -v ./...