DOC-2774: add cnx string details and RediSearch reqt (#212)

* DOC-2774: add cnx string details and RediSearch reqt

* DOC-2774: update dictionary.txt

* DOC-2774: incorporate feedback

dictionary.txt

@@ -294,6 +294,8 @@ untap
 untarring
 uptime
 url
+URI
+URIs
 usr
 v1
 x86

docs/stack/get-started/om-clients/stack-dotnet.md

@@ -14,7 +14,8 @@ aliases:
 ## Prerequisites
 
 * [.NET 6 SDK](https://dotnet.microsoft.com/en-us/download/dotnet/6.0)
-* And IDE for writing .NET (Visual Studio, Rider, Visual Studio Code)
+* Any IDE for writing .NET (Visual Studio, Rider, Visual Studio Code).
+* RediSearch must be installed as part of your Redis Stack configuration.
 * Optional: Docker Desktop for running redis-stack in docker for local testing.
 
 ## Skip to the code
@@ -41,7 +42,11 @@ Then open the `Redis.OM.Skeleton.csproj` file in your IDE of choice.
 
 ## Configure the app
 
-Add a `"REDIS_CONNECTION_STRING" field to your `appsettings.json` file to configure the application. Set that connection string to be the URI of your Redis instance. If using the docker command mentioned earlier, your connection string will be `redis://localhost:6379`.
+Add a `REDIS_CONNECTION_STRING` field to your `appsettings.json` file to configure the application. Set that connection string to be the URI of your Redis instance. If using the docker command mentioned earlier, your connection string will be `redis://localhost:6379`.
+
+### Connection string specification
+
+The specification for Redis URIs is located [here](https://www.iana.org/assignments/uri-schemes/prov/redis). You can use `:password@host:port` or `default:password@host:port` for connection strings that do not include `username`.
 
 ## Create the model