add more location strategy aliases

src/main/kotlin/com/qautomatron/kaper/core/common/byAlias.kt

@@ -3,8 +3,17 @@ package com.qautomatron.kaper.core.common
 import io.appium.java_client.MobileBy
 import org.openqa.selenium.By
 
+// General
 fun id(id: String): By = By.id(id)
 fun xp(xpath: String): By = By.xpath(xpath)
 fun css(css: String): By = By.cssSelector(css)
 fun cn(className: String): By = By.className(className)
-fun ai(accessibilityId: String): By = MobileBy.AccessibilityId(accessibilityId)
+fun lt(linkText: String): By = MobileBy.linkText(linkText)
+
+// iOS only
+fun ai(accessibilityId: String): By = MobileBy.AccessibilityId(accessibilityId)
+fun pr(predicate: String): By = MobileBy.iOSNsPredicateString(predicate)
+fun cc(chain: String): By = MobileBy.iOSClassChain(chain)
+
+// Android
+fun aa(automator: String): By = MobileBy.AndroidUIAutomator(automator)