Remove travis, add github action

.github/workflows/test-build-prs.yml

@@ -0,0 +1,24 @@
+name: Build PRs
+
+on:
+  pull_request:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+    - name: Build
+      uses: docker/build-push-action@v2
+      with:
+        platforms: linux/amd64
+        push: false
+        tags: opendronemap/nodeodm:test
+    - name: Test Powercycle
+      run: |
+        docker run -ti --rm opendronemap/nodeodm:test --powercycle

.travis.yml

@@ -1,9 +0,0 @@
-sudo: required
-
-services:
-  - docker
-
-before_install:
-  - docker build -t opendronemap/node-opendronemap .
-
-script: docker run opendronemap/node-opendronemap --powercycle