DOCSP-42796 Update Rails versions (#44)

Author: jordan-smith721

snooty.toml

@@ -2,3 +2,7 @@ name = "mongoid"
 title = "Mongoid"
 
 intersphinx = ["https://www.mongodb.com/docs/manual/objects.inv"]
+
+[constants]
+rails-6-version = 6.0
+rails-7-version = 7.1

source/tutorials/getting-started-rails6.txt

@@ -46,7 +46,7 @@ In order to do so, the first step is to install the ``rails`` gem:
 
 .. code-block:: sh
 
-    gem install rails -v '~> 6.0'
+    gem install rails -v '~> {+rails-6-version+}'
 
 
 Create New Application

source/tutorials/getting-started-rails7.txt

@@ -46,7 +46,7 @@ In order to do so, the first step is to install the ``rails`` gem:
 
 .. code-block:: sh
 
-    gem install rails -v '~> 7'
+    gem install rails -v {+rails-7-version+}
 
 
 Create New Application
@@ -185,8 +185,8 @@ creating blog posts:
 Navigate to `localhost:3000/posts <http://localhost:3000/posts>`_
 to create posts and see the posts that have already been created.
 
-.. image:: ../img/rails-new-blog.png
-  :alt: Screenshot of the new blog
+.. figure:: /img/rails-new-blog.png
+   :alt: Screenshot of the new blog
 
 
 Add Comments
@@ -294,8 +294,8 @@ Next replace ``app/view/comments/_comment.html.erb`` with the following contents
 
 You should now be able to leave comments for the posts:
 
-.. image:: ../img/rails-blog-new-comment.png
-  :alt: Screenshot of the blog with a new comment being added
+.. figure:: /img/rails-blog-new-comment.png
+   :alt: Screenshot of the blog with a new comment being added
 
 
 Existing Application