start in on ci for gh actions

.github/workflows/ci.yaml

@@ -0,0 +1,101 @@
+name: CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: jorelali/setup-elm@v5
+      with:
+        elm-version: 0.19.1
+    - run: elm-format src --validate
+
+  macos-latest-stable:
+    needs: [format]
+    runs-on: macos-latest
+    steps:
+      - name: setup elm
+        uses: jorelali/setup-elm@v5
+        with:
+          elm-version: 0.19.1
+      - name: build
+        run: |
+          elm make
+      - name: build docs
+        run: |
+          elm make --docs=docs.json        
+      - name: install elm-test
+        run: |
+          npm install elm-test
+      - name: test
+        run: |
+          ./node_modules/elm-test/bin/elm-test
+
+
+  windows-latest-stable:
+    needs: [format]
+    runs-on: windows-latest
+    steps:
+      - name: setup elm
+        uses: jorelali/setup-elm@v5
+        with:
+          elm-version: 0.19.1
+      - name: build
+        run: |
+          elm make
+      - name: build docs
+        run: |
+          elm make --docs=docs.json        
+      - name: install elm-test
+        run: |
+          npm install elm-test
+      - name: test
+        run: |
+          ./node_modules/elm-test/bin/elm-test
+
+  windows-latest-nightly:
+    needs: [format]
+    runs-on: windows-latest
+    steps:
+      - name: setup elm
+        uses: jorelali/setup-elm@v5
+        with:
+          elm-version: 0.19.1
+      - name: build
+        run: |
+          elm make
+      - name: build docs
+        run: |
+          elm make --docs=docs.json        
+      - name: install elm-test
+        run: |
+          npm install elm-test
+      - name: test
+        run: |
+          ./node_modules/elm-test/bin/elm-test
+
+  ubuntu-latest:
+    needs: [format]
+    runs-on: ubuntu-latest
+    steps:
+      - name: setup elm
+        uses: jorelali/setup-elm@v5
+        with:
+          elm-version: 0.19.1
+      - name: build
+        run: |
+          elm make
+      - name: build docs
+        run: |
+          elm make --docs=docs.json        
+      - name: install elm-test
+        run: |
+          npm install elm-test
+      - name: test
+        run: |
+          ./node_modules/elm-test/bin/elm-test
+          command: test