Migrate CI/CD to Actions [part 1] (#28)

* chore(ci): test build node workflow

* chore(ci): initial build/test pipeline

* chore(ci): on pull-request

* chore(ci): fix typo on pull_request

* chore(ci): fix yml syntax by incl. build object in jobs

* chore(ci): use sudo for apt

* chore(ci): named steps

* chore(ci): no apt upgrade cmd

* chore(ci): downgrade to jdk 11

* chore(ci): upgrade to jdk 15

* chore(ci): add info logs to build

.github/workflows/build-test.yml

@@ -0,0 +1,31 @@
+name: Build and Test Node
+
+on:
+  pull_request:
+    branches:
+      - develop
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install ganache
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y npm
+          sudo npm i -g ganache-cli
+          ganache-cli -m "candy maple cake sugar pudding cream honey rich smooth crumble sweet treat" --port 8544 --accounts 20 --networkId=9 --gasLimit=10000000 > /dev/null &
+
+      - name: Setup JDK/Gradle
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: '15'
+          cache: 'gradle'
+
+      - name: Build
+        run: ./gradlew build --no-daemon --info