Add support for Liberica JDK (#225)

docs/advanced-usage.md

@@ -53,6 +53,18 @@ steps:
 - run: java -cp java HelloWorldApp
 ```
 
+### Liberica
+```yaml
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-java@v2
+  with:
+    distribution: 'liberica'
+    java-version: '11'
+    java-package: jdk # optional (jdk, jre, jdk+fx or jre+fx) - defaults to jdk
+- run: java -cp java HelloWorldApp
+```
+
 ## Installing custom Java package type
 ```yaml
 steps: