feat: add multilingual mode support (#241)

BREAKING CHANGE:  Layout file renamed ´layouts/partials/page-footer.html → layouts/partials/menu-nextprev.html`. If you use overrides, you might need to change the filenames as well.

exampleSite/content/en/toc-tree/_index.md

@@ -0,0 +1,12 @@
+---
+title: ToC-Tree
+geekdocFlatSection: true
+---
+
+This is just a demo section for the <!-- spellchecker-disable -->[toc-tree](/shortcodes/toc-tree/)<!-- spellchecker-enable --> shortcode.
+
+<!-- spellchecker-disable -->
+
+{{< toc-tree >}}
+
+<!-- spellchecker-enable -->

exampleSite/content/en/toc-tree/level-1/_index.md

@@ -0,0 +1,11 @@
+---
+geekdocCollapseSection: true
+---
+
+Level 1
+
+<!-- spellchecker-disable -->
+
+{{< toc-tree >}}
+
+<!-- spellchecker-enable -->

exampleSite/content/en/toc-tree/level-1/level-1-1.md

@@ -0,0 +1,5 @@
+---
+title: Level 1.1
+---
+
+Level 1.1

exampleSite/content/en/toc-tree/level-1/level-1-2.md

@@ -0,0 +1,5 @@
+---
+title: Level 1.2
+---
+
+Level 1.2

exampleSite/content/en/toc-tree/level-1/level-1-3/_index.md

@@ -0,0 +1,11 @@
+---
+title: Level 1.3
+---
+
+Level 1.3
+
+<!-- spellchecker-disable -->
+
+{{< toc-tree >}}
+
+<!-- spellchecker-enable -->

exampleSite/content/en/toc-tree/level-1/level-1-3/level-1-3-1.md

@@ -0,0 +1,5 @@
+---
+title: Level 1.3.1
+---
+
+Level 1.3.1

exampleSite/content/en/toc-tree/level-2/_index.md

@@ -0,0 +1 @@
+Level-2

exampleSite/content/en/toc-tree/level-2/level-2-1.md

@@ -0,0 +1,5 @@
+---
+title: Level 2.1
+---
+
+Level 2.1

exampleSite/content/en/toc-tree/level-2/level-2-2.md

@@ -0,0 +1,5 @@
+---
+title: Level 2.2
+---
+
+Level 2.2