Small readme tweak

Author: Bruno Sutic

README.md

@@ -8,18 +8,18 @@ path. It's fast, convenient and works great with vim.
 Some of the features that make the plugin more appealing than doing the same
 thing manually each time:
 
-- fast<br/>
+- **fast**<br/>
   Much faster than doing each step manually.
-- smart sizing<br/>
+- **smart sizing**<br/>
   Sidebar remembers its size, so the next time you open it, it will have the
   **exact same** width. This is a per-directory property, so you can have just
   the right size for multiple dirs.
-- toggling<br/>
+- **toggling**<br/>
   The same key binding opens and closes the sidebar.
-- uninterrupted workflow<br/>
+- **uninterrupted workflow**<br/>
   The main `prefix + Tab` key binding opens a sidebar but **does not** move
   cursor to it.
-- pane layout stays the same<br/>
+- **pane layout stays the same**<br/>
   No matter which pane layout you prefer, sidebar trys hard not to mess your
   pane splits. Open, then close the sidebar and everything should look the same.