feat(tutorials): add guides for scheduling and managing appointments

- Created a new tutorial on how to schedule an appointment with a user in a support pathway.
- Added a guide detailing possible actions on an appointment, including adding documents, transforming to exchanges, editing, canceling, and deleting appointments.
- Introduced an index page for tutorials to improve navigation.
- Updated the configuration to support multiple languages (French, English, Dutch) and added corresponding menu items.
- Added various images to enhance the visual representation of the tutorials.

hugo.toml

@@ -4,6 +4,25 @@ title = ""
 theme = "chill-theme"
 defaultContentLanguage = "fr"
 
+# Language configuration
+[languages]
+  [languages.fr]
+    languageCode = "fr-fr"
+    languageName = "Français"
+    weight = 1
+    contentDir = "content"
+
+  [languages.en]
+    languageCode = "en-us"
+    languageName = "English"
+    weight = 2
+    contentDir = "content/en"
+  [languages.nl]
+    languageCode = "nl-nl"
+    languageName = "Nederlands"
+    weight = 3
+    contentDir = "content/nl"
+
 # Required Features
 enableEmoji = true        # Enable emoji support
 enableGitInfo = true      # Enable Git info for lastmod
@@ -108,11 +127,76 @@ pagination = { pagerSize = 6, path = "page" }
       has_submenu = true
       submenu = [
         { name = "Documentation technique", url = "/resources/technical-documentation" },
-        { name = "Manuels", url = "/resources/manuals" }
+        { name = "Manuels", url = "/resources/manuals" },
+        { name = "Tutoriels", url = "/tutorials" }
       ]
   [[menu.main]]
     name = "Nous contacter"
     url = "/contact"
     weight = 5
 
-  
+  [languages.en.menu]
+  [[languages.en.menu.main]]
+    name = "Features"
+    url = "/features"
+    weight = 1
+  [[languages.en.menu.main]]
+    name = "Installation"
+    weight = 2
+    [languages.en.menu.main.params]
+      has_submenu = true
+      submenu = [
+        { name = "By Champs Libres", url = "/install/hosted" },
+        { name = "Self-hosted", url = "/install/on-premise" }
+      ]
+  [[languages.en.menu.main]]
+    name = "Pricing"
+    url = "/pricing"
+    weight = 3
+  [[languages.en.menu.main]]
+    name = "Resources"
+    weight = 4
+    [languages.en.menu.main.params]
+      has_submenu = true
+      submenu = [
+        { name = "Technical Documentation", url = "/resources/technical-documentation" },
+        { name = "Manuals", url = "/resources/manuals" },
+        { name = "Tutorials", url = "/tutorials" }
+      ]
+  [[languages.en.menu.main]]
+    name = "Contact Us"
+    url = "/contact"
+    weight = 5
+
+  [languages.nl.menu]
+  [[languages.nl.menu.main]]
+    name = "Functies"
+    url = "/features"
+    weight = 1
+  [[languages.nl.menu.main]]
+    name = "Installatie"
+    weight = 2
+    [languages.nl.menu.main.params]
+      has_submenu = true
+      submenu = [
+        { name = "Door Champs Libres", url = "/install/hosted" },
+        { name = "Zelf gehost", url = "/install/on-premise" }
+      ]
+  [[languages.nl.menu.main]]
+    name = "Prijsstelling"
+    url = "/pricing"
+    weight = 3
+  [[languages.nl.menu.main]]
+    name = "Bronnen"
+    weight = 4
+    [languages.nl.menu.main.params]
+      has_submenu = true
+      submenu = [
+        { name = "Technische Documentatie", url = "/resources/technical-documentation" },
+        { name = "Handleidingen", url = "/resources/manuals" },
+        { name = "Tutorials", url = "/tutorials" }
+      ]
+  [[languages.nl.menu.main]]
+    name = "Contacteer Ons"
+    url = "/contact"
+    weight = 5