How-to video embed links for Kafka and Neo4j connectors (#429)

Author: Paul-Cornell

snippets/general-shared-text/kafka.mdx

@@ -1,4 +1,17 @@
 - A Kafka cluster, such as ones provided by [Confluent Cloud](https://www.confluent.io/confluent-cloud), [Amazon Managed Streaming for Apache Kafka (Amazon MSK)](https://aws.amazon.com/msk/), or [Google Cloud Managed Service for Apache Kafka](https://cloud.google.com/products/managed-service-for-apache-kafka).
+
+  The following video shows how to set up a Kafka cluster in Confluent Cloud:
+
+  <iframe
+  width="560"
+  height="315"
+  src="https://www.youtube.com/embed/zcKJ96J4Xvk"
+  title="YouTube video player"
+  frameborder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+  allowfullscreen
+  ></iframe>
+
 - The hostname of the bootstrap Kafka cluster to connect to.  
 - The port number of the cluster.
 - The name of the topic to read messages from and write messages to on the cluster. 

snippets/general-shared-text/neo4j.mdx

@@ -1,13 +1,26 @@
 - A [Neo4j deployment](https://neo4j.com/deployment-center/).
+
+  The following video shows how to set up a Neo4j Aura deployment:
+
+  <iframe
+  width="560"
+  height="315"
+  src="https://www.youtube.com/embed/fo8uDIm1zCE"
+  title="YouTube video player"
+  frameborder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+  allowfullscreen
+  ></iframe>
+
 - The username and password for the user who has access to the Neo4j deployment. The default user is typically `neo4j`.
 
-  - For a Neo4j AuraDB instance, the defaut user's is typically set when the instance is created.
+  - For a Neo4j Aura instance, the defaut user's is typically set when the instance is created.
   - For an AWS Marketplace, Microsoft Azure Marketplace, or Google Cloud Marketplace deployment of Neo4j, the default user is typically set during the deployment process.
   - For a local Neo4j deployment, you can [set the default user's initial password](https://neo4j.com/docs/operations-manual/current/configuration/set-initial-password/) or [recover an admin user and its password](https://neo4j.com/docs/operations-manual/current/authentication-authorization/password-and-user-recovery/).
 
 - The connection URI for the Neo4j deployment, which starts with `neo4j://`, `neo4j+s://`, `bolt://`, or `bolt+s://`; followed by `localhost` or the host name; and sometimes ending with a colon and the port number (such as `:7687`). For example:
 
-  - For a Neo4j AuraDB deployment, browse to the target Neo4j instance in the Neo4j Aura account and click **Connect > Drivers** to get the connection URI, which follows the format `neo4j+s://<host-name>`. A port number is not used or needed.
+  - For a Neo4j Aura deployment, browse to the target Neo4j instance in the Neo4j Aura account and click **Connect > Drivers** to get the connection URI, which follows the format `neo4j+s://<host-name>`. A port number is not used or needed.
   - For an AWS Marketplace, Microsoft Azure Marketplace, or Google Cloud Marketplace deployment of Neo4j, see 
     [Neo4j on AWS](https://neo4j.com/docs/operations-manual/current/cloud-deployments/neo4j-aws/),
     [Neo4j on Azure](https://neo4j.com/docs/operations-manual/current/cloud-deployments/neo4j-azure/), or 
@@ -20,7 +33,7 @@
 
 - The name of the target database in the Neo4j deployment. A default Neo4j deployment typically contains two standard databases: one named `neo4j` for user data and another 
   named `system` for system data and metadata. Some Neo4j deployment types support more than these two databases per deployment; 
-  Neo4j AuraDB instances do not.  
+  Neo4j Aura instances do not.  
 
   - [Create additional databases](https://neo4j.com/docs/operations-manual/current/database-administration/standard-databases/create-databases/) 
     for a local Neo4j deployment that uses Enterprise Edition; or for Neo4j on AWS, Neo4j on Azure, or Neo4j on GCP deployments.