Add tour stop explaining the library concept

Author: Floppy

app/views/libraries/new.html.erb

@@ -1,3 +1,5 @@
-<h1><%= t("libraries.general.new") %></h1>
+<%= content_tag :h1, id: "new-library", data: tour_attributes(id: "new-library", title: t("tour.libraries.new.title"), description: t("tour.libraries.new.description")) do %>
+	<%= t("libraries.general.new") %>
+<% end %>
 
 <%= render "form" %>

config/locales/tour/cs.yml

@@ -1,6 +1,10 @@
 ---
 cs:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/de.yml

@@ -1,6 +1,10 @@
 ---
 de:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/en.yml

@@ -1,6 +1,10 @@
 ---
 en:
   tour:
+    libraries:
+      new:
+        description: A "library" is a physical storage location for your files. It could be a local folder, or a cloud storage bucket. You could have just one, or you might have many; it's up to you. If there are already files in the library, they will be scanned and added to Manyfold automatically.
+        title: Libraries
     navbar:
       account:
         description: In your settings, you can change your login details, preferred rendering style, pagination options, and more.

config/locales/tour/es.yml

@@ -1,6 +1,10 @@
 ---
 es:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/fr.yml

@@ -1,6 +1,10 @@
 ---
 fr:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/ja.yml

@@ -1,6 +1,10 @@
 ---
 ja:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/nl.yml

@@ -1,6 +1,10 @@
 ---
 nl:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/pl.yml

@@ -1,6 +1,10 @@
 ---
 pl:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description:

config/locales/tour/pt.yml

@@ -1,6 +1,10 @@
 ---
 pt:
   tour:
+    libraries:
+      new:
+        description:
+        title:
     navbar:
       account:
         description: