improve tutorial (#1434)

* fix indentation

* Update 00_run_locally.md

* simplify dotnet add

* fix indentation

* remove trailing space

* clean up redis

* already in solution root

* k delete

* clarify

* Apply suggestions from code review

Co-authored-by: David Fowler <davidfowl@gmail.com>

docs/tutorials/hello-tye/00_run_locally.md

@@ -92,33 +92,32 @@ Now that we have two applications running, let's make them communicate. By defau
 3. Add a file `WeatherClient.cs` to the `frontend` project with the following contents:
 
    ```C#
-    using System.Text.Json;
+   using System.Text.Json;
+   using System.Net.Http.Json;
 
-    namespace frontend
-    {
-        public class WeatherClient
-        {
-            private readonly JsonSerializerOptions options = new JsonSerializerOptions()
-            {
-                PropertyNameCaseInsensitive = true,
-                PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-            };
-    
-            private readonly HttpClient client;
-    
-            public WeatherClient(HttpClient client)
-            {
-                this.client = client;
-            }
-    
-            public async Task<WeatherForecast[]> GetWeatherAsync()
-            {
-                var responseMessage = await this.client.GetAsync("/weatherforecast");
-                var stream = await responseMessage.Content.ReadAsStreamAsync();
-                return await JsonSerializer.DeserializeAsync<WeatherForecast[]>(stream, options);
-            }
-        }
-    }
+   namespace frontend
+   {
+       public class WeatherClient
+       {
+           private readonly JsonSerializerOptions options = new JsonSerializerOptions()
+           {
+               PropertyNameCaseInsensitive = true,
+               PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+           };
+   
+           private readonly HttpClient client;
+   
+           public WeatherClient(HttpClient client)
+           {
+               this.client = client;
+           }
+   
+           public async Task<WeatherForecast[]> GetWeatherAsync()
+           {
+               return await this.client.GetFromJsonAsync<WeatherForecast[]>("/weatherforecast");
+           }
+       }
+   }
    ```
 
 4. Add a reference to the `Microsoft.Tye.Extensions.Configuration` package to the frontend project

docs/tutorials/hello-tye/02_add_redis.md

@@ -52,12 +52,11 @@ We just showed how `tye` makes it easier to communicate between 2 applications r
 2. Add a package reference to `Microsoft.Extensions.Caching.StackExchangeRedis` in the backend project:
 
    ```
-   cd backend/
-   dotnet add package Microsoft.Extensions.Caching.StackExchangeRedis
-   cd ..
+   dotnet add backend/backend.csproj package Microsoft.Extensions.Caching.StackExchangeRedis
    ```
 
 3. Modify `Startup.ConfigureServices` in the `backend` project to add the redis `IDistributedCache` implementation.
+
    ```C#
    public void ConfigureServices(IServiceCollection services)
    {
@@ -66,7 +65,7 @@ We just showed how `tye` makes it easier to communicate between 2 applications r
        services.AddStackExchangeRedisCache(o =>
        {
             o.Configuration = Configuration.GetConnectionString("redis");
-        });
+       });
    }
    ```
    The above configures redis to the configuration string for the `redis` service injected by the `tye` host.
@@ -87,7 +86,7 @@ We just showed how `tye` makes it easier to communicate between 2 applications r
      image: redis
      bindings:
      - port: 6379
-       connectionString: "${host}:${port}" 
+       connectionString: "${host}:${port}"
    - name: redis-cli
      image: redis
      args: "redis-cli -h redis MONITOR"
@@ -97,9 +96,7 @@ We just showed how `tye` makes it easier to communicate between 2 applications r
 
     > :bulb: The `"${host}:${port}"` format in the `connectionString` property will substitute the values of the host and port number to produce a connection string that can be used with StackExchange.Redis.
 
-5. Run the `tye` command line in the solution root
-
-   > :bulb: Make sure your command-line is in the `microservice/` directory. One of the previous steps had you change directories to edit a specific project.
+5. Run the `tye run` command
 
    ```
    tye run
@@ -186,3 +183,10 @@ We just showed how `tye` makes it easier to communicate between 2 applications r
 4. Clean-up
 
     At this point, you may want to undeploy the application by running `tye undeploy`.
+    
+    Also clean up the Redis deployment and service by running
+    
+    ```text
+    kubectl delete -f https://raw.githubusercontent.com/dotnet/tye/main/docs/tutorials/hello-tye/redis.yaml
+    ```
+