Add github workflows (#254)

* Add new workflows to set labels and build/test the backend

* Add frontend workflow

* Limit triggers to PUSH only

* Fix so that BE and FE are mutually exclusive

* Bump up frontend

* Fix case to match current tags

.github/workflows/backend.yml

@@ -0,0 +1,24 @@
+name: Backend CI
+
+on:
+  push:
+    paths:
+      - 'backend/**'
+      - '!frontend/**'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      working-directory: ./backend
+      run: cargo build --verbose
+    - name: Run tests
+      working-directory: ./backend
+      run: cargo test --verbose
+    - name: Request help
+      working-directory: ./backend
+      run: cargo run --release -- --help

.github/workflows/frontend.yml

@@ -0,0 +1,38 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Frontend CI
+
+on:
+  push:
+    paths:
+      - 'frontend/**'
+      - '!backend/**'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: install
+      working-directory: ./frontend
+      run: yarn install
+    - name: check
+      run: yarn check
+      working-directory: ./frontend
+    - name: Test
+      run: yarn test
+      working-directory: ./frontend
+    - name: Build
+      working-directory: ./frontend
+      run: yarn build

.github/workflows/label.yml

@@ -0,0 +1,19 @@
+# This workflow will triage pull requests and apply a label based on the
+# paths that are modified in the pull request.
+#
+# To use this workflow, you will need to set up a .github/labeler.yml
+# file with configuration.  For more information, see:
+# https://github.com/actions/labeler/blob/master/README.md
+
+name: Labeler
+on: [pull_request]
+
+jobs:
+  label:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/labeler@v2
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"