[doc] config documentation update

README.md

@@ -16,17 +16,29 @@ $ go get github.com/asciimoo/wuzz
 $ "$GOPATH/bin/wuzz" --help
 ```
 
+
+### Configuration
+
+It is possible to override default settings in a configuration file.
+The default location is `"$XDG_CONFIG_HOME/wuzz/config.toml"`on linux
+and `~/.wuzz/config.toml` on other platforms.
+`-c`/`--config` switches can be used to load config file from custom location.
+
+See [example configuration](sample-config.toml) for more details.
+
+
 ### Commands
 
 Keybinding                              | Description
 ----------------------------------------|---------------------------------------
+<kbd>F1</kbd>                           | Display help
 <kbd>Ctrl+R</kbd>                       | Send request
 <kbd>Ret</kbd>                          | Send request (only from URL view)
 <kbd>Ctrl+S</kbd>                       | Save response
 <kbd>Ctrl+C</kbd>                       | Quit
 <kbd>Ctrl+K</kbd>, <kbd>Shift+Tab</kbd> | Previous view
 <kbd>Ctlr+J</kbd>, <kbd>Tab</kbd>       | Next view
-<kbd>Ctrl+H</kbd>, <kbd>Alt+H</kbd>     | Toggle history
+<kbd>Alt+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
@@ -53,4 +65,5 @@ Keybinding                              | Description
 
 ## Bugs
 
-Bugs or suggestions? Visit the [issue tracker](https://github.com/asciimoo/wuzz/issues).
+Bugs or suggestions? Visit the [issue tracker](https://github.com/asciimoo/wuzz/issues)
+or join `#wuzz` on freenode

sample-config.toml

@@ -5,3 +5,27 @@ defaultURLScheme = "https"
 formatJSON = true
 preserveScrollPosition = true
 insecure = false
+
+# KEYBINDINGS
+[keys.global]
+CtrlH = "submit"
+CtrlW = "save"
+CtrlN = "nextView"
+CtrlP = "prevView"
+AltEnter = "history"
+
+[keys.search]
+Tab = "focus url"
+
+[keys.url]
+Tab = "focus search"
+
+[keys.response-body]
+j = "scrollDown"
+k = "scrollUp"
+J = "pageDown"
+K = "pageUp"
+
+[keys.response-headers]
+j = "pageDown"
+k = "pageUp"