enable github actions

.github/workflows/pxt-buildtarget.yml

@@ -0,0 +1,35 @@
+name: pxt-buildtarget
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x]
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: npm install
+        run: |
+          sudo apt-get install xvfb
+          sudo npm install -g pxt
+          npm install
+      - name: pxt ci
+        run: |
+          pxt ci
+        env:
+          CROWDIN_KEY: ${{ secrets.CROWDIN_KEY }}
+          PXT_ACCESS_TOKEN: ${{ secrets.PXT_ACCESS_TOKEN }}
+          PXT_RELEASE_REPO: ${{ secrets.PXT_RELEASE_REPO }}
+          NPM_ACCESS_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+          CHROME_BIN: chromium-browser
+          DISPLAY: :99.0
+          CI: true

README.md

@@ -1,4 +1,4 @@
-# Calliope target for Microsoft MakeCode [![Build Status](https://travis-ci.org/microsoft/pxt-calliope.svg?branch=master)](https://travis-ci.org/microsoft/pxt-calliope)
+# Calliope target for Microsoft MakeCode
 
 This editor is hosted at https://makecode.calliope.cc.
 

package.json

@@ -47,6 +47,6 @@
   },
   "dependencies": {
     "pxt-common-packages": "6.18.2",
-    "pxt-core": "5.31.10"
+    "pxt-core": "5.31.18"
   }
 }