Adds marketplace badges

README.md

@@ -1,3 +1,6 @@
+[![](https://vsmarketplacebadge.apphb.com/version/eamodio.gitlens.svg)](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens)
+[![](https://vsmarketplacebadge.apphb.com/installs/eamodio.gitlens.svg)](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens)
+[![](https://vsmarketplacebadge.apphb.com/rating/eamodio.gitlens.svg)](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens)
 # GitLens
 
 Provides Git CodeLens information (most recent commit, # of authors), on-demand inline blame annotations, status bar blame information, file and blame history explorers, and commands to compare changes with the working tree or previous versions.