docs: Move install rustup callup to top of developing-extensions.md (#21239)

Peter Tripp created

Change summary

docs/src/extensions/developing-extensions.md | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

Detailed changes

docs/src/extensions/developing-extensions.md 🔗 

@@ -9,6 +9,16 @@ Extensions can add the following capabilities to Zed:
 - [Slash Commands](./slash-commands.md)
 - [Context Servers](./context-servers.md)
 
+## Developing an Extension Locally
+
+Before starting to develop an extension for Zed, be sure to [install Rust via rustup](https://www.rust-lang.org/tools/install).
+
+When developing an extension, you can use it in Zed without needing to publish it by installing it as a _dev extension_.
+
+From the extensions page, click the `Install Dev Extension` button and select the directory containing your extension.
+
+If you already have a published extension with the same name installed, your dev extension will override it.
+
 ## Directory Structure of a Zed Extension
 
 A Zed extension is a Git repository that contains an `extension.toml`. This file must contain some
@@ -75,16 +85,6 @@ impl zed::Extension for MyExtension {
 zed::register_extension!(MyExtension);
 ```
 
-## Developing an Extension Locally
-
-Before starting to develop an extension for Zed, be sure to [install Rust via rustup](https://www.rust-lang.org/tools/install).
-
-When developing an extension, you can use it in Zed without needing to publish it by installing it as a _dev extension_.
-
-From the extensions page, click the `Install Dev Extension` button and select the directory containing your extension.
-
-If you already have a published extension with the same name installed, your dev extension will override it.
-
 ## Publishing your extension
 
 To publish an extension, open a PR to [the `zed-industries/extensions` repo](https://github.com/zed-industries/extensions).