Plugin system: allow plugins to provide custom routes

  - each route will be prefixed by `/plugin/<plugin_name>`
  - add a new template for plugins rendering
  - add a live example in the demo_plugin

Check out the "Plugin System" documentation for more detail.

Related to #143

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/plugins/test/test.php b/tests/plugins/test/test.php
index 03be4f4e..34cd339e 100644
--- a/tests/plugins/test/test.php
+++ b/tests/plugins/test/test.php
@@ -27,3 +27,19 @@ function hook_test_error()
 {
     new Unknown();
 }
+
+function test_register_routes(): array
+{
+    return [
+        [
+            'method' => 'GET',
+            'route' => '/test',
+            'callable' => 'getFunction',
+        ],
+        [
+            'method' => 'POST',
+            'route' => '/custom',
+            'callable' => 'postFunction',
+        ],
+    ];
+}