Links to tutorials, examples, projects and requirements on the documentation index and tutorials

Author: martinber

docs-src/index.md

@@ -3,9 +3,9 @@ layout: default
 ---
 # Gtk-rs documentation
 
-### [Requirements](requirements.html)
+## [Requirements](requirements.html)
 
-### Crate API docs
+## Crate API docs
 
  - [**atk**](../docs/atk/)
  - [**cairo**](../docs/cairo/)
@@ -18,7 +18,9 @@ layout: default
  - [**pangocairo**](../docs/pangocairo/)
  - [**sourceview**](../docs/sourceview/)
 
-### Versions
+## [The GTK+ Project documentation](http://www.gtk.org/documentation.php)
+
+## Versions
 
 By default the `gtk` crate provides only GTK+ 3.14 APIs. You can access more
 modern APIs by selecting one of the following features: `v3_16`, `v3_18`, `v3_20`, `v3_22`, `v3_24`, `v3_26`, `v3_28`, `v3_30`.
@@ -35,8 +37,8 @@ features = ["v3_16"]
 not have easy access to the latest ones.** The higher the version, the fewer
 users will have it installed.
 
-### Examples
-
-See the [examples repository](https://github.com/gtk-rs/examples).
+## Tutorials and examples
 
-### [The GTK+ Project documentation](http://www.gtk.org/documentation.php)
+ * [Tutorials](/docs-src/tutorial).
+ * [Examples repository](https://github.com/gtk-rs/examples).
+ * [Projects using `gtk-rs`](/#projects-using-gtk-rs).

docs-src/tutorial/index.md

@@ -20,3 +20,7 @@ In this part we'll go deeper into the mechanisms of the `Gtk-rs` crates. If you'
  * [Upcast and downcast](./upcast_downcast).
  * [Glade](./glade).
  * [Cross compiling from linux to windows](./cross).
+
+## Going further
+
+Make sure to check the [examples repository](https://github.com/gtk-rs/examples). Also you can take a look at the source code of [projects using `gtk-rs`](/#projects-using-gtk-rs).

docs-src/tutorial/rust_and_gtk.md

@@ -6,7 +6,7 @@ layout: default
 
 Before going any further, if you don't know Rust at all, we recommend you to read the official [Rust Book](https://doc.rust-lang.org/book/).
 
-Then we recommend you to learn a bit about [Cargo](http://doc.crates.io/index.html).
+Then we recommend you to learn a bit about [Cargo](http://doc.crates.io/index.html) and check the [GTK requirements](/docs-src/requirements).
 
 All done? Perfect!