fix broken links in location_platform_interface README

packages/location_platform_interface/README.md

@@ -1,18 +1,17 @@
 # location_platform_interface
 
-A common platform interface for the [`location`][1] plugin.
+A common platform interface for the [`location`][location] plugin.
 
 This interface allows platform-specific implementations of the `location`
-plugin, as well as the plugin itself, to ensure they are supporting the
-same interface.
+plugin, as well as the plugin itself, to ensure they are supporting the same
+interface.
 
 # Usage
 
 To implement a new platform-specific implementation of `location`, extend
-[`LocationPlatform`][2] with an implementation that performs the
+[`LocationPlatform`][LocationPlatform] with an implementation that performs the
 platform-specific behavior, and when you register your plugin, set the default
-`LocationPlatform` by calling
-`LocationPlatform.instance = MyLocation()`.
+`LocationPlatform` by calling `LocationPlatform.instance = MyLocation()`.
 
 # Note on breaking changes
 
@@ -22,5 +21,5 @@ over breaking changes for this package.
 See https://flutter.dev/go/platform-interface-breaking-changes for a discussion
 on why a less-clean interface is preferable to a breaking change.
 
-[1]: ../location
-[2]: lib/location_platform_interface.dart
+[location]: https://pub.dev/packages/location
+[LocationPlatform]: https://github.com/Lyokone/flutterlocation/blob/master/packages/location_platform_interface/lib/location_platform_interface.dart