Add husky setup

dist/.github/elixir.json

@@ -0,0 +1,31 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "elixir",
+      "pattern": [
+        {
+          "regexp": "^(\\*\\* \\(.*\\) )?((.:)?[^:]*):(\\d+)(:(\\d+))?: (.*)$",
+          "file": 2,
+          "line": 4,
+          "column": 6,
+          "message": 7
+        }
+      ]
+    },
+    {
+      "owner": "elixir-warning",
+      "pattern": [
+        {
+          "regexp": "^(warning: (.*))$",
+          "message": 2
+        },
+        {
+          "regexp": "^(  )((.:)?[^:]*):(\\d+)(:(\\d+))?$",
+          "file": 2,
+          "line": 4,
+          "column": 6
+        }
+      ]
+    }
+  ]
+}

dist/.github/workflows/licensed.yml

@@ -0,0 +1,19 @@
+name: Licensed
+
+on:
+  push: {branches: master}
+  pull_request: {branches: master}
+  repository_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Check licenses
+    steps:
+      - uses: actions/checkout@v1.0.0
+      - run: |-
+          cd /tmp
+          curl -Lfs -o licensed.tar.gz https://github.com/github/licensed/releases/download/2.3.2/licensed-2.3.2-linux-x64.tar.gz
+          sudo tar -xzf licensed.tar.gz
+          sudo mv licensed /usr/local/bin/licensed
+      - run: licensed status

dist/.github/workflows/test.yml

@@ -0,0 +1,35 @@
+name: Test
+
+on:
+  push: {branches: master}
+  pull_request: {branches: master}
+  repository_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: OTP ${{matrix.pair.otp-version}} / Elixir ${{matrix.pair.elixir-version}}
+    strategy:
+      matrix:
+        pair:
+          # Full Versions
+          - otp-version: 22.0
+            elixir-version: 1.9.1
+          # Semver ranges
+          - otp-version: 21.x
+            elixir-version: <1.9.1
+          # Branches
+          - otp-version: 22.0
+            elixir-version: master
+    steps:
+      - uses: actions/checkout@v1.0.0
+      - name: Use actions/setup-elixir
+        uses: ./
+        with:
+          otp-version: ${{matrix.pair.otp-version}}
+          elixir-version: ${{matrix.pair.elixir-version}}
+      - name: Run Mix project tests
+        run: |-
+          cd test-project
+          mix deps.get
+          mix test