Adds new page for installation to documentation

docs/book/installation.md

@@ -0,0 +1,5 @@
+**This is only a placeholder.**
+
+The content of this page can be found under:
+
+https://github.com/laminas/documentation-theme/blob/master/theme/pages/installation.html

docs/book/quick-start.md

@@ -9,12 +9,7 @@ can be paired with any IoC container that implements this interface, such as
 
 ## 1. Installation
 
-If you haven't already, [install Composer](https://getcomposer.org/).
-Once you have, you can install laminas-di:
-
-```bash
-$ composer require laminas/laminas-di
-```
+Before starting, make sure laminas-di is [installed and configured](installation.md).
 
 ## 2. Configuring the injector
 

mkdocs.yml

@@ -3,6 +3,7 @@ site_dir: docs/html
 nav:
     - Home: index.md
     - Introduction: intro.md
+    - Installation: installation.md
     - "Quick Start": quick-start.md
     - Reference:
         - "PSR-11 Support": psr-11.md
@@ -24,3 +25,6 @@ site_description: "Automated dependency injection for PSR-11 containers"
 repo_url: 'https://github.com/laminas/laminas-di'
 extra:
     project: Components
+    installation:
+        config_provider_class: 'Laminas\Di\ConfigProvider'
+        module_class: 'Laminas\Di\Module'