move scala 3 guides to common index

Author: bishabosha

_data/doc-nav-header.yml

@@ -38,8 +38,6 @@
   submenu:
     - title: "Guides & Overviews"
       url: "/overviews/index.html"
-    - title: Scala 3 Guides
-      url: '/scala3/guides.html'
     - title: Books
       url: "/books.html"
     - title: Scala FAQ

_data/overviews.yml

@@ -1,4 +1,37 @@
-
+- category: Scala 3 Deeper Dive
+  description: "Guides and overviews that introduce new concepts in Scala 3"
+  overviews:
+    - title: "Migration from Scala 2 to Scala 3"
+      by: Adrien Piquerez
+      icon: suitcase
+      root: "scala3/guides/"
+      url: "migration/compatibility-intro.html"
+      description: "Everything you need to know about compatibility and migration to Scala 3."
+    - title: Macros
+      by: Nicolas Stucki
+      icon: magic
+      root: "scala3/guides/"
+      url: "macros"
+      description: "A detailed tutorial to cover all the features involved in writing macros in Scala 3."
+      label-text: feature
+    - title: An Overview of TASTy
+      by: Alvin Alexander
+      icon: birthday-cake
+      root: "scala3/guides/"
+      url: "tasty-overview.html"
+      description: "An overview over the TASTy format aimed at end-users of the Scala language."
+    - title: "Scala 3 Contributing Guide"
+      by: Jamie Thompson, Anatolii Kmetiuk
+      icon: cogs
+      root: "scala3/guides/"
+      url: "contribution/contribution-intro.html"
+      description: "Guide to the Scala 3 Compiler and fixing an issue"
+    - title: Scaladoc
+      by: Krzysztof Romanowski, Aleksander Boruch-Gruszecki, Andrzej Ratajczak, Kacper Korban, Filip Zybała
+      icon: book
+      root: "scala3/guides/"
+      url: "scaladoc"
+      description: "Scala’s API documentation generation tool."
 - category: Standard Library
   description: "Guides and overviews covering the Scala standard library."
   overviews:

_layouts/overviews.html

@@ -44,6 +44,11 @@ <h2>{{ category.category }}</h2>
 				{% if category.description %}<p>{{ category.description }}</p>{% endif %}
 				<div class="card-group">
 					{% for overview in category.overviews %}
+					{% if overview.root %}
+						{% assign overviewroot = overview.root %}
+					{% else %}
+						{% assign overviewroot = 'overviews/' %}
+					{% endif %}
 					<div class="white-card">
 						<div class="card-wrap">
 							<div class="card-header">
@@ -52,8 +57,8 @@ <h2>{{ category.category }}</h2>
 									<div class="icon"><i class="fa fa-{{ overview.icon }}" aria-hidden="true"></i></div>
 								</div>
 								{% endif %}
-								{% capture originalOverviewUrl %}/overviews/{{ overview.url }}{% endcapture %}
-								{% capture translatedOverviewId %}/{{page.language}}/overviews/{{ overview.url | remove_first: '.html' }}{% endcapture %}
+								{% capture originalOverviewUrl %}/{{overviewroot}}{{ overview.url }}{% endcapture %}
+								{% capture translatedOverviewId %}/{{page.language}}/{{overviewroot}}{{ overview.url | remove_first: '.html' }}{% endcapture %}
 								{% assign translatedOverview = site.documents | where: 'id', translatedOverviewId | first %}
 								<a href="{{ translatedOverview.url | default: originalOverviewUrl }}"><h3>{{ overview.title }}</h3></a>
 							</div>
@@ -65,8 +70,8 @@ <h2>{{ category.category }}</h2>
 								<strong>Contents</strong>
 								<ul class="subdocs">
 									{% for doc in overview.subdocs %}
-									{% capture originalDocUrl %}/overviews/{{ doc.url }}{% endcapture %}
-									{% capture translatedDocId %}/{{page.language}}/overviews/{{ doc.url | remove_first: '.html' }}{% endcapture %}
+									{% capture originalDocUrl %}/{{overviewroot}}{{ doc.url }}{% endcapture %}
+									{% capture translatedDocId %}/{{page.language}}/{{overviewroot}}{{ doc.url | remove_first: '.html' }}{% endcapture %}
 									{% assign translatedDoc = site.documents | where: 'id', translatedDocId | first %}
 									<li><a href="{{ translatedDoc.url | default: originalDocUrl }}">{{ doc.title }}</a></li>
 									{% endfor %}

_overviews/index.md

@@ -4,6 +4,8 @@ partof: overviews
 title: Guides and Overviews
 languages: [ja, zh-cn, ru, uk]
 permalink: /overviews/:title.html
+redirect_from:
+  - /scala3/guides.html
 ---
 
 <!-- Auto generated from _data/overviews.yml -->