Move uvx to dedicated try it out section

Creates a separate "Try it out" section at the top of installation
instructions for uvx, making it clear this is the easiest way to test
the language server before committing to an installation.

Changes:
- Create new "Try it out" section as first subsection under Installation
- Move uvx command out of system-wide tool installation
- Add explanatory text about ephemeral execution
- Keep system-wide installation focused on persistent installs (uv/pipx)

Author: claude

README.md

@@ -73,6 +73,16 @@ See the [Versioning](#versioning) section for details on how this project's vers
 
 The Django Language Server can be installed using your preferred Python package manager or as a standalone binary.
 
+### Try it out
+
+Try the language server without installing using `uvx`:
+
+```bash
+uvx django-language-server
+```
+
+This will run the language server without installing it, perfect for testing it out first.
+
 ### Install with a package manager (recommended)
 
 The language server is published to PyPI with pre-built wheels for the following platforms:
@@ -84,15 +94,12 @@ The language server is published to PyPI with pre-built wheels for the following
 
 Installing it adds the `djls` command-line tool to your environment.
 
-#### System-wide tool installation
-
-Try the language server without installing using `uvx`:
+> [!NOTE]
+> The server will automatically detect and use your project's Python environment when you open a Django project. It needs access to your project's Django installation and other dependencies, but should be able to find these regardless of where the server itself is installed.
 
-```bash
-uvx django-language-server
-```
+#### System-wide tool installation
 
-Or install it globally in an isolated environment using `uv` or `pipx`:
+Install it globally in an isolated environment using `uv` or `pipx`:
 
 ```bash
 # Using uv
@@ -102,9 +109,6 @@ uv tool install django-language-server
 pipx install django-language-server
 ```
 
-> [!NOTE]
-> The server will automatically detect and use your project's Python environment when you open a Django project. It needs access to your project's Django installation and other dependencies, but should be able to find these regardless of where the server itself is installed.
-
 #### Install with pip
 
 Install from PyPI using pip: