official 2D examples linked in rustdoc (bevyengine#2081)

I linked to examples within the rustdoc for the 2d examples as per issue bevyengine#1934

crates/bevy_sprite/src/sprite.rs

@@ -14,13 +14,16 @@ use bevy_render::{
 };
 use serde::{Deserialize, Serialize};
 
+/// General Sprite Examples: [Link](https://github.com/bevyengine/bevy/tree/latest/examples/2d)
 #[derive(Debug, Default, Clone, TypeUuid, Reflect, RenderResources)]
 #[render_resources(from_self)]
 #[uuid = "7233c597-ccfa-411f-bd59-9af349432ada"]
 #[repr(C)]
 pub struct Sprite {
     pub size: Vec2,
+    /// When true flips sprite to left. [Example](https://github.com/bevyengine/bevy/blob/latest/examples/2d/sprite_flipping.rs)
     pub flip_x: bool,
+    /// When true flips sprite upside down. [Example](https://github.com/bevyengine/bevy/blob/latest/examples/2d/sprite_flipping.rs)
     pub flip_y: bool,
     pub resize_mode: SpriteResizeMode,
 }

crates/bevy_sprite/src/texture_atlas.rs

@@ -10,7 +10,9 @@ use bevy_render::{
 };
 use bevy_utils::HashMap;
 
-/// An atlas containing multiple textures (like a spritesheet or a tilemap)
+/// An atlas containing multiple textures (like a spritesheet or a tilemap).
+/// [Example usage animating sprite.](https://github.com/bevyengine/bevy/blob/latest/examples/2d/sprite_sheet.rs)
+/// [Example usage loading sprite sheet.](https://github.com/bevyengine/bevy/blob/latest/examples/2d/texture_atlas.rs)
 #[derive(Debug, RenderResources, TypeUuid)]
 #[uuid = "946dacc5-c2b2-4b30-b81d-af77d79d1db7"]
 pub struct TextureAtlas {

crates/bevy_text/src/text2d.rs

@@ -21,6 +21,7 @@ use glyph_brush_layout::{HorizontalAlign, VerticalAlign};
 use crate::{DefaultTextPipeline, DrawableText, Font, FontAtlasSet, Text, Text2dSize, TextError};
 
 /// The bundle of components needed to draw text in a 2D scene via a 2D `OrthographicCameraBundle`.
+/// [Example usage.](https://github.com/bevyengine/bevy/blob/latest/examples/2d/text2d.rs)
 #[derive(Bundle, Clone, Debug)]
 pub struct Text2dBundle {
     pub draw: Draw,