Test mermaid

README.md

@@ -184,11 +184,6 @@ Filename                              |Descriptions
 [.markdownlint.jsonc](.markdownlint.jsonc)|Configuration of the markdown linter, use `markdownlint "**/*.md"` to do markdown linting locally. The name of this file is a default name.
 [.markdownlintignore](.markdownlintignore)|Files ignored by the markdown linter, use `markdownlint "**/*.md"` to do markdown linting locally. The name of this file is a default name.
 
-## Footnotes
-
-- [1] 'book' is an overstatement for now: it is just a collection of notes
-- [2] There is no chapter numbering yet
-
 ## Links
 
 - [Blog post 'Test-Driven Development in Rust Game Development with Bevy' by Edgardo Carreras](https://edgardocarreras.com/blog/tdd-in-rust-game-engine-bevy/)

docs/index.md

@@ -1,3 +1,31 @@
 # Welcome to 'Developing Bevy games using TDD'
 
+Start of a book [1] called 'Developing Bevy games using TDD'.
+The goal is to demonstrate how to do Test-Driven Development with Bevy.
+
 ![](assets/ferris.png)
+
+```mermaid
+flowchart TD
+  introduction[1. Introduction]
+  hello_world[2.1. hello_world\nGet started]
+  add_player[2.2. add_player\nAdd a player]
+  add_player_sprite[2.3. add_player_sprite\nAdd a player sprite]
+  add_player_sprite_with_texture[2.4. add_player_sprite_with_texture\nAdd a player sprite\nwith a texture]
+  add_camera[2.5. add_camera\nAdd a camara]
+  move_player[2.6. move_player\nMove the player]
+  add_text[2.7. add_text\nAdd text]
+
+  introduction -.-> hello_world
+  hello_world --> add_player
+  add_player --> add_player_sprite
+  add_player_sprite --> add_player_sprite_with_texture
+  add_player_sprite_with_texture --> add_text
+  add_player_sprite_with_texture --> add_camera
+  add_player_sprite --> move_player
+```
+
+## Footnotes
+
+- [1] 'book' is an overstatement for now: it is just a collection of notes
+

mkdocs.yml

@@ -4,6 +4,7 @@ repo_url: https://github.com/richelbilderbeek/bevy_tdd_book
 
 nav:
   - Home: index.md
+  - Introduction:
     - 1. Introduction: introduction/introduction.md
   - Basic:
     - 2.1. Hello world: chapters/hello_world.md