Update README.md

Author: Schmiggolas

README.md

@@ -1,2 +1,12 @@
 # JiraTimeTracker
 A little tool to get working hours from your Jira members
+
+## Usage
+Open on windows only (no mono since it does not support forms, sorry) 
+
+1. Enter your Jiras URL(:Port), your login username and password
+2. Enter the persons project key and username (not the display name!)
+3. Press Go!
+4. Wait for it
+5. ???
+6. Profit