Added some screenshots, fixed errors

Author: dfreniche

docs/50-Create a Project/50-create-new-project.mdx

@@ -2,7 +2,7 @@ import Screenshot from "@site/src/components/Screenshot";
 
 # Creating a New Project
 
-Ensure Relational Migrator is installed and running (normally at http://127.0.0.1:8080).
+Ensure Relational Migrator is installed and running (normally at http://127.0.0.1:8278/).
 
 
 

docs/50-Create a Project/60-connect-database.mdx

@@ -2,6 +2,12 @@ import Screenshot from "@site/src/components/Screenshot";
 
 # Connect Database
 
+## Select PostgreSQL as Database
+
+<Screenshot url="https://www.mongodb.com/products/tools/relational-migrator" src="img/60-image-000.png" alt="Selecting PostgreSQL as Database" />
+
+## Enter connection details
+
 Enter the details for the PostgreSQL database you will be migrating from.
 
  - If your instructor has configured a server for you to use, ask them for the host name, username and password.

docs/80-Edit Mapping Rules/20-edit-mapping-authors-authorbook.mdx

@@ -7,8 +7,8 @@ We want to modify the authors collection to include an array of IDs representing
 - On the MongoDB diagram view, click the `authors` collection
 - On the relational mappings list on the right, click on the edit icon of `author_book`
 - Edit the field name from `authorBooks` to just `books`
-- In the mapping rule's advanced settings, Check `create array of primitive values`
 - In the list of fields, uncheck `authorId`, leaving `bookId` checked
+- In the mapping rule's advanced settings, Check `create array of primitive values`
 - Click `Save and close`