Fix docs

README.md

@@ -26,12 +26,14 @@ and is unaware of its creation by design, delegating creation to rules container
 
 ## Installation
 
-The package could be installed with composer:
+The package could be installed with [Composer](https://getcomposer.org):
 
 ```shell
 composer require yiisoft/rbac-rules-container
 ```
 
+See [yiisoft/rbac](https://github.com/yiisoft/rbac) for RBAC package installation instructions.
+
 ## General usage
 
 ### Direct interaction with rules container
@@ -69,7 +71,7 @@ Rules are created only once, then cached and reused for repeated calls.
 
 ```php
 $rule = $rulesContainer->create(AuthorRule::class); // Returned from cache
-````
+```
 
 ### Using [Yii config](https://github.com/yiisoft/config)
 
@@ -101,32 +103,12 @@ $rulesContainer = $container->get(RuleFactoryInterface::class);
 $rule = $rulesContainer->create('author');
 ```
 
-## Testing
-
-### Unit testing
-
-The package is tested with [PHPUnit](https://phpunit.de/). To run tests:
-
-```shell
-./vendor/bin/phpunit
-```
-
-### Mutation testing
+## Documentation
 
-The package tests are checked with [Infection](https://infection.github.io/) mutation framework with
-[Infection Static Analysis Plugin](https://github.com/Roave/infection-static-analysis-plugin). To run it:
+- [Internals](docs/internals.md)
 
-```shell
-./vendor/bin/roave-infection-static-analysis-plugin
-```
-
-### Static analysis
-
-The code is statically analyzed with [Psalm](https://psalm.dev/). To run static analysis:
-
-```shell
-./vendor/bin/psalm
-```
+If you need help or have a question, the [Yii Forum](https://forum.yiiframework.com/c/yii-3-0/63) is a good place for that.
+You may also check out other [Yii Community Resources](https://www.yiiframework.com/community).
 
 ## License
 

composer.json

@@ -15,7 +15,7 @@
         "issues": "https://github.com/yiisoft/rbac-rules-container/issues?state=open",
         "forum": "https://www.yiiframework.com/forum/",
         "wiki": "https://www.yiiframework.com/wiki/",
-        "irc": "irc://irc.freenode.net/yii",
+        "irc": "ircs://irc.libera.chat:6697/yii",
         "chat": "https://t.me/yii3en",
         "source": "https://github.com/yiisoft/rbac-rules-container"
     },
@@ -76,4 +76,4 @@
         "test": "phpunit --testdox --no-interaction",
         "test-watch": "phpunit-watcher watch"
     }
-}
+}

docs/internals.md

@@ -0,0 +1,45 @@
+# Internals
+
+## Unit testing
+
+The package is tested with [PHPUnit](https://phpunit.de/). To run tests:
+
+```shell
+./vendor/bin/phpunit
+```
+
+## Mutation testing
+
+The package tests are checked with [Infection](https://infection.github.io/) mutation framework with
+[Infection Static Analysis Plugin](https://github.com/Roave/infection-static-analysis-plugin). To run it:
+
+```shell
+./vendor/bin/roave-infection-static-analysis-plugin
+```
+
+## Static analysis
+
+The code is statically analyzed with [Psalm](https://psalm.dev/). To run static analysis:
+
+```shell
+./vendor/bin/psalm
+```
+
+## Rector
+
+Use [Rector](https://github.com/rectorphp/rector) to make codebase follow some specific rules or
+use either newest or any specific version of PHP:
+
+```shell
+./vendor/bin/rector
+```
+
+## Composer require checker
+
+This package uses [composer-require-checker](https://github.com/maglnet/ComposerRequireChecker) to check if all dependencies are correctly defined in `composer.json`.
+
+To run the checker, execute the following command:
+
+```shell
+./vendor/bin/composer-require-checker
+```