Add CI/CD configuration and API documentation

Android-kotlin-Code/hideapi/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="com.github.kr328.clash.hideapi" />

Android-kotlin-Code/hideapi/src/main/java/android/app/ActivityThread.java

@@ -0,0 +1,7 @@
+package android.app;
+
+public class ActivityThread {
+    public static String currentProcessName() {
+        throw new IllegalArgumentException("Stub!");
+    }
+}