Update navigation titles

.docs/content/2.Essentials/0.usage-on-x.md

@@ -8,7 +8,7 @@ So here is a checklist, for more specific environments, keep reading below:
  - To set a target. Consult [Targets](./1.targets.md).
 
 To make use of the examples below, You check check out the following pages:
- - [Quick start](../1.Get%20Started/1.quick-start.md)
+ - [Quick start](../1.get-started/1.quick-start.md)
  - [Using streams](../2.Essentials/4.using-streams.md)
 
 ## NodeJs server

.docs/content/2.Essentials/_dir.yml

@@ -1,2 +1,3 @@
 icon: ph:info-fill
 navigation.redirect: /essentials/usage
+navigation.title: "Get started"

.docs/content/3.In-depth/_dir.yml

@@ -1,2 +1,3 @@
 icon: ph:atom-fill
 navigation.redirect: /in-depth/sources-and-embeds
+navigation.title: "In-depth"

.docs/content/4.Extra topics/_dir.yml

@@ -1,2 +1,3 @@
 icon: ph:aperture-fill
 navigation.redirect: /extra-topics/development
+navigation.title: "Extra topics"

.docs/content/5.Api reference/_dir.yml

@@ -1,2 +1,3 @@
 icon: ph:code-simple-fill
 navigation.redirect: /api/makeproviders
+navigation.title: "Api reference"