[feature] Added Github Actions (#1743)

Co-authored-by: living <sokolov.dominika@gmail.com>

.github/workflows/gradle_build.yml

@@ -0,0 +1,40 @@
+name: gradle_build
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Check out submodules
+        uses: snickerbockers/submodules-init@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Gradle cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Gradle build
+        run: ./gradlew build
+
+      - name: Archive artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifact
+          path: build/libs

.travis.yml

@@ -1,6 +0,0 @@
-language: java
-jdk:
-  - openjdk8
-install:
-  - chmod +x gradlew
-  - "./gradlew --no-daemon compileJava"