Add links to docs for interop annotations.

Author: pahill

docs/overview/HiddenFromObjC.md

@@ -1,6 +1,6 @@
 ## Interop annotation - @HiddenFromObjC
 
-Hides a Kotlin declaration from Objective-C/Swift. Experimental.
+[@HiddenFromObjC](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.native/-hidden-from-obj-c/) hides a Kotlin declaration from Objective-C/Swift. Experimental.
 
 ### Explanations
 

docs/overview/ObjCName.md

@@ -1,6 +1,6 @@
 ## Interop annotations - @ObjCName
 
-Gives better Objective-C/Swift names to Kotlin constructs like classes, functions and so on, without actually renaming the Kotlin constructs. Experimental.
+[@ObjCName](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.native/-obj-c-name/) gives better Objective-C/Swift names to Kotlin constructs like classes, functions and so on, without actually renaming the Kotlin constructs. Experimental.
 
 ### Explanations
 

docs/overview/ShouldRefineInSwift.md

@@ -1,6 +1,6 @@
 ## Interop annotations - @ShouldRefineInSwift
 
-Helps to replace a Kotlin declaration with a wrapper written in Swift. Experimental.
+[@ShouldRefineInSwift](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.native/-should-refine-in-swift/) helps to replace a Kotlin declaration with a wrapper written in Swift. Experimental.
 
 ### Explanations