Add links to other packages

Author: rvsia

README.md

@@ -15,7 +15,7 @@ Drag and Drop editor for building [Data Driven Forms](https://github.com/data-dr
 
 # Packages
 
-## dnd
+## [dnd](./packages/dnd/)
 
 Drag and Drop system powering the editor.
 
@@ -28,17 +28,17 @@ Roadmap
 
 - [ ] keyboard support
 
-## editor-core
+## [editor-core](./packages/editor-core/)
 
 A set of utilities for building Data Driven Forms editors. Using these components and hooks you can easily build and customize your own editor in short time.
 
-## editor-pro
+## [editor-pro](./packages/editor-pro/)
 
 An implementation of editor using `editor-core` utilities. Using [Evergreen-ui](https://github.com/segmentio/evergreen) to look neutral when using with other mappers.
 
 - Supports all mappers
 
-## evergreen-component-mapper
+## [evergreen-component-mapper](./packages/evergreen-component-mapper/)
 
 Set of basic components to power `editor-pro` properties editor. [See more](https://github.com/segmentio/evergreen).