Add local linking to README

Author: jcreencia

README.md

@@ -59,6 +59,14 @@ Once your pull request has been merged to master:
 	`npm run` + type of release (`patch-release`,  `minor-release`, `major-release`)
 
     For example: `npm run patch-release` 
+    
+Local linking to another project
+========
+1. Run `npm run build-npm` from the react-bootstrap-datetimepicker console.
+2. In your other project's **package.json**,
+Use `"@myob/react-bootstrap-datetimepicker": "npm install ../../../../react-bootstrap-datetimepicker"` instead of `"@myob/react-bootstrap-datetimepicker": "0.0.25"` in the dependency list.
+*(use npm install + the path to your local react-bootstrap-datetimepicker folder instead of the version number)*
+3. Run `npm install @myob/react-bootstrap-datetimepicker` from the same folder level as the package.json.
 
 Update Warning
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