Update README.md

* add keymaps

README.md

@@ -16,6 +16,19 @@ $ go get github.com/asciimoo/wuzz
 $ "$GOPATH/bin/wuzz" --help
 ```
 
+### Commands
+
+Keybinding                            | Description
+--------------------------------------|------------------------------------------------------------
+<kbd>Ret</kbd>, <kbd>Ctrl+R</kbd>     | Send request.
+<kbd>Ctrl+C</kbd>                     | Quit.
+<kbd>Ctrl+K</kbd>                     | Previous view.
+<kbd>Ctlr+J</kbd>, <kbd>Tab</kbd>     | Next view.
+<kbd>Ctrl+H</kbd>                     | Toggle history.
+<kbd>Down</kbd>                       | Move down one view line.
+<kbd>Up</kbd>                         | Move up one view line.
+<kbd>Page down</kbd>                  | Move down one view page.
+<kbd>Page up</kbd>                    | Move up one view page.
 
 ## TODO