Add workflow file

.github/workflows/gradle.yml

@@ -0,0 +1,17 @@
+name: Gradle CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Build with Gradle
+      run: ./gradlew build

komp.iml

@@ -34,8 +34,8 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src/test/kotlin" type="kotlin-test" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" type="kotlin-source" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="kotlin-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/out" />