updated readme

README.md

@@ -2,6 +2,11 @@
 This is a tool to speed up the process of annotating image sequences with GPS points
 
 ## Installation
-- To install do this...
+- Make sure you have nodejs and google-chrome installed. 
+- In this repo do `sudo npm install` to download and install local packages
+
 ## Usage
-- To use do that...
+- To run the annotator, execute run_annotator.sh `./run_annotator.sh`
+    - This will start the server and open google-chrome to the correct page
+
+##### Note: This application was built for google-chrome and has only been tested in google-chrome. Behavior in any other browser is undefined.