gtk: Link to rendered bindings documentation
Change the bindings documentation link in the README from the doc comment in
the source on GitHub to the rendered version on gtk-rs.org.
@@ -66,7 +66,7 @@ Generate the docs:
Contributor you're welcome!
-See the general [bindings documentation](https://github.com/gtk-rs/glib/blob/master/src/lib.rs#L5).
+See the general [bindings documentation](http://gtk-rs.org/docs/glib/).
Most of the bindings ([`src/auto`](src/auto)) are generated by [gir](https://github.com/gtk-rs/gir) using [this configuration file](Gir.toml). After editing `Gir.toml` the sources can be regenerated with
