Add missing roots

Author: afbora

content/docs/3_reference/6_system/3_roots/0_i18n-rules/reference-root.txt

@@ -0,0 +1,5 @@
+Title: i18n:rules
+
+----
+
+Intro: Returns the root of the i18n:rules (core rules) folder.

content/docs/3_reference/6_system/3_roots/0_i18n-translations/reference-root.txt

@@ -0,0 +1,5 @@
+Title: i18n:translations
+
+----
+
+Intro: Returns the root of the i18n:translations (core translations) folder.

content/docs/3_reference/6_system/3_roots/0_i18n/reference-root.txt

@@ -0,0 +1,5 @@
+Title: i18n
+
+----
+
+Intro: Returns the root of the i18n (core languages) folder.

content/docs/3_reference/6_system/3_roots/0_languages/reference-root.txt

@@ -0,0 +1,5 @@
+Title: languages
+
+----
+
+Intro: Returns the root of the languages folder.

content/docs/3_reference/6_system/3_roots/0_panel/reference-root.txt

@@ -0,0 +1,5 @@
+Title: panel
+
+----
+
+Intro: Returns the root of the panel folder.

site/models/reference-root.php

@@ -36,7 +36,7 @@ public function template(): Template
 	public function title(): Field
 	{
 		return parent::title()->value(
-			'$kirby->root(\'' . $this->slug() . '\')'
+			'$kirby->root(\'' . parent::title() . '\')'
 		);
 	}
 }