Add Projects chapter

Author: Bromeon

src/SUMMARY.md

@@ -30,6 +30,10 @@
     - [Logging](./recipes/logging.md)
     - [Nix as development environment](recipes/nix-build-system.md)
     - [Rust panic handler](./recipes/panic-handler.md)
+- [Third-party projects](./projects.md)
+    - [Games](./projects/games.md)
+    - [Tools and integrations](./projects/tools.md)
+    - [Applications](./projects/applications.md)
 - [Exporting](./exporting.md)
     - [Android](./exporting/android.md)
     - [(TODO) iOS](./exporting/ios.md)

src/projects.md

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+# Third-party projects
+
+This chapter intends to provide an overview over the godot-rust ecosystem and list projects that use godot-rust across different domains.
+
+godot-rust is a popular choice for game development, but this chapter is not limited to games. We also list other applications, as well as tooling and libraries that extend godot-rust and integrate it with other parts of the ecosystem.
+
+While part of the book, this chapter is _not_ an official list of "featured" entries; project authors themselves are responsible for the up-to-dateness and accuracy of their description. 
+

src/projects/applications.md

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+# Projects: Applications
+
+This page lists non-game applications developed with godot-rust. Libraries should be listed in [Tools](tools.md).
+Examples here include:
+
+* Tech demos
+* User interfaces
+* Data visualization
+
+## (TODO: add project)

src/projects/games.md

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+# Projects: Games
+
+Below you see a non-exhaustive list of games that have been developed with godot-rust.
+
+The page focuses on entries which are either in a playable state, or at least have some basic mechanics and graphics to show. For example, such an entry could be an indie game developed over many months, or also a polished game jam submission. The condition is that godot-rust is used for at least part of the game.
+
+
+## (TODO: add project)

src/projects/tools.md

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+# Projects: Tools and integrations
+
+This page lists projects, which are intended to be used as an extension to godot-rust.  
+Examples include:
+
+* CLI or other tools enhancing the development workflow
+* Libraries that directly enhance the godot-rust experience
+* Libraries that connect godot-rust with other crates in the Rust ecosystem
+
+This page should only provide a high-level description of each project (a couple sentences), plus relevant links and optionally one screenshot. It should _not_ include tutorials or code examples, as they tend to become outdated very quickly. Instead, the project's repository or homepage is a much better place for advertising the concrete functionality the tool offers and providing introductory examples.
+
+
+## (TODO: add project)