Link to Linux doc

Author: jberkel

Documentation/Linux.md

@@ -1,5 +1,10 @@
 # Linux
 
+## Limitations
+
+* Custom functions are currently not supported and crash, caused by a bug in Swift.
+See [#1071](https://github.com/stephencelis/SQLite.swift/issues/1071).
+
 ## Debugging
 
 ### Create and launch docker container

README.md

@@ -19,6 +19,7 @@ syntax _and_ intent.
  - [Well-documented][See Documentation]
  - Extensively tested
  - [SQLCipher][] support via CocoaPods
+ - Works on [Linux](Documentation/Linux.md) (with some limitations)
  - Active support at
    [StackOverflow](https://stackoverflow.com/questions/tagged/sqlite.swift),
    and [Gitter Chat Room](https://gitter.im/stephencelis/SQLite.swift)