Added the possiblity to define custom routes from plugins

doc/plugin-routes.markdown

@@ -0,0 +1,85 @@
+Custom Routes
+=============
+
+When URL rewriting is enabled, you can define custom routes from your plugins.
+
+Define new routes
+-----------------
+
+Routes are handled by the class `Kanboard\Core\Http\Route`.
+
+New routes can be added by using the method `addRoute($path, $controller, $action, $plugin)`, here an example:
+
+```php
+$this->route->addRoute('/my/custom/route', 'myController', 'myAction', 'myplugin');
+```
+
+When the end-user go to the URL `/my/custom/route`, the method `Kanboard\Plugin\Myplugin\Controller\MyController::myAction()` will be executed.
+
+The first character of the controller and the plugin name will converted in uppercase with the function `ucfirst()`.
+
+You can also define routes with variables:
+
+```php
+$this->route->addRoute('/my/route/:my_variable', 'myController', 'myAction', 'myplugin');
+```
+
+The colon prefix `:`, define a variable.
+For example `:my_variable` declare a new variable named `my_variable`.
+
+To fetch the value of the variable you can use the method `getStringParam()` or `getIntegerParam()` from the class `Kanboard\Core\Http\Request`:
+
+If we have the URL `/my/route/foobar`, the value of `my_variable` is `foobar`:
+
+```php
+$this->request->getStringParam('my_variable'); // Return foobar
+```
+
+Generate links based on the routing table
+-----------------------------------------
+
+From templates, you have to use the helper `Kanboard\Helper\Url`.
+
+### Generate a HTML link
+
+```php
+<?= $this->url->link('My link', 'mycontroller', 'myaction', array('plugin' => 'myplugin')) ?>
+```
+
+Will generate this HTML:
+
+```html
+<a href="/my/custom/route">My link</a>
+```
+
+### Generate only the attribute `href`:
+
+```php
+<?= $this->url->href('My link', 'mycontroller', 'myaction', array('plugin' => 'myplugin')) ?>
+```
+
+HTML output:
+
+```html
+/my/custom/route
+```
+
+HTML output when URL rewriting is not enabled:
+
+```html
+?controller=mycontroller&amp;action=myaction&amp;plugin=myplugin
+```
+
+### Generate redirect link:
+
+From a controller, if you need to perform a redirection:
+
+```php
+$this->url->to('mycontroller', 'myaction', array('plugin' => 'myplugin'));
+```
+
+Generate:
+
+```
+?controller=mycontroller&action=myaction&plugin=myplugin
+```

doc/plugins.markdown

@@ -11,6 +11,7 @@ Plugin creators should specify explicitly the compatible versions of Kanboard. I
 - [Using plugin hooks](plugin-hooks.markdown)
 - [Override default application behaviors](plugin-overrides.markdown)
 - [Add schema migrations for plugins](plugin-schema-migrations.markdown)
+- [Custom routes](plugin-routes.markdown)
 - [Add mail transports](plugin-mail-transports.markdown)
 - [Add notification types](plugin-notifications.markdown)
 - [Attach metadata to users, tasks and projects](plugin-metadata.markdown)