[Github Actions] Configure a workflow for running unit tests and static code analysis

.editorconfig

@@ -3,7 +3,7 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = false
 indent_style = space
-indent_size = 4
+indent_size = 2
 
 [{*.jhm,*.rng,*.wsdl,*.fxml,*.xslt,*.jrxml,*.ant,*.xul,*.xsl,*.xsd,*.tld,*.jnlp,*.xml}]
 indent_size = 2

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+# Copyright 2024 The Ground Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+name: CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Run unit tests
+        run: ./gradlew testLocalDebugUnitTest
+
+      - name: Run code quality checks
+        run: ./gradlew checkCode
+
+  #       TODO(#2670) : Upload codecov reports
+  #      - name: Generate codecov report
+  #        run: ./gradlew jacocoDevDebugUnitTestReport