Start reorganizing examples (#10)

* Update crate name

* wip

* reduce to just the gpui crate

* Fix misisng example images

* Delete ownership_post.rs

* Update Cargo.toml

* Update README.md

* bump to 0.3.3

* organize

* organize

* Add more learn examples

* Delete _ownership_and_data_flow.rs

* wip learn examples

* Fix colors

* tidy

* Move _template up

* add animation example

* Update examples

* remove legacy examples from toml

* Delete examples.toml

src/platform/linux.rs

@@ -0,0 +1,32 @@
+mod dispatcher;
+mod headless;
+mod keyboard;
+mod platform;
+#[cfg(any(feature = "wayland", feature = "x11"))]
+mod text_system;
+#[cfg(feature = "wayland")]
+mod wayland;
+#[cfg(feature = "x11")]
+mod x11;
+
+#[cfg(any(feature = "wayland", feature = "x11"))]
+mod xdg_desktop_portal;
+
+pub(crate) use dispatcher::*;
+pub(crate) use headless::*;
+pub(crate) use keyboard::*;
+pub(crate) use platform::*;
+#[cfg(any(feature = "wayland", feature = "x11"))]
+pub(crate) use text_system::*;
+#[cfg(feature = "wayland")]
+pub(crate) use wayland::*;
+#[cfg(feature = "x11")]
+pub(crate) use x11::*;
+
+#[cfg(all(feature = "screen-capture", any(feature = "wayland", feature = "x11")))]
+pub(crate) type PlatformScreenCaptureFrame = scap::frame::Frame;
+#[cfg(not(all(feature = "screen-capture", any(feature = "wayland", feature = "x11"))))]
+pub(crate) type PlatformScreenCaptureFrame = ();
+
+#[cfg(feature = "wayland")]
+pub use wayland::layer_shell;