🔄 Rename Skills to Plugins and update references

Renamed CollectEmailSkill and SendEmailSkill to CollectEmailPlugin and
SendEmailPlugin respectively. Updated references in flow.json and
flow.yml files. Also, updated the variable name from 'skills' to
'plugins' in FlowOrchestratorTests.cs.

dotnet/samples/KernelSyntaxExamples/Example57_FlowOrchestrator.cs → dotnet/samples/KernelSyntaxExamples/Example60_FlowOrchestrator.cs

@@ -24,7 +24,7 @@
  */
 
 // ReSharper disable once InconsistentNaming
-public static class Example57_FlowOrchestrator
+public static class Example60_FlowOrchestrator
 {
     private static readonly Flow s_flow = FlowSerializer.DeserializeFromYaml(@"
 name: FlowOrchestrator_Example_Flow
@@ -64,13 +64,13 @@ public static async Task RunInteractiveAsync()
     {
         var bingConnector = new BingConnector(TestConfiguration.Bing.ApiKey);
         var webSearchEnginePlugin = new WebSearchEnginePlugin(bingConnector);
-        Dictionary<object, string?> skills = new()
+        Dictionary<object, string?> plugins = new()
         {
             { webSearchEnginePlugin, "WebSearch" },
             { new TimePlugin(), "time" }
         };
 
-        FlowOrchestrator orchestrator = new(GetKernelBuilder(), await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()).ConfigureAwait(false), skills);
+        FlowOrchestrator orchestrator = new(GetKernelBuilder(), await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()).ConfigureAwait(false), plugins);
         var sessionId = Guid.NewGuid().ToString();
 
         Console.WriteLine("*****************************************************");
@@ -108,14 +108,14 @@ public static async Task RunInteractiveAsync()
     private static async Task RunExampleAsync()
     {
         var bingConnector = new BingConnector(TestConfiguration.Bing.ApiKey);
-        var webSearchEngineSkill = new WebSearchEnginePlugin(bingConnector);
-        Dictionary<object, string?> skills = new()
+        var webSearchEnginePlugin = new WebSearchEnginePlugin(bingConnector);
+        Dictionary<object, string?> plugins = new()
         {
-            { webSearchEngineSkill, "WebSearch" },
+            { webSearchEnginePlugin, "WebSearch" },
             { new TimePlugin(), "time" }
         };
 
-        FlowOrchestrator orchestrator = new(GetKernelBuilder(), await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()).ConfigureAwait(false), skills);
+        FlowOrchestrator orchestrator = new(GetKernelBuilder(), await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()).ConfigureAwait(false), plugins);
         var sessionId = Guid.NewGuid().ToString();
 
         Console.WriteLine("*****************************************************");
@@ -235,7 +235,7 @@ private static bool IsValidEmail(string email)
         }
     }
 
-    public sealed class SendEmailSkill
+    public sealed class SendEmailPlugin
     {
         [SKFunction]
         [Description("Send email")]

dotnet/src/Extensions/Extensions.UnitTests/Orchestration/FlowOrchestrator/TestData/Flow/flow.json

@@ -25,7 +25,7 @@
     },
     {
       "goal": "Cook",
-      "plugins": ["CookSkill", "WebSearchPlugin"],
+      "plugins": ["CookPlugin", "WebSearchPlugin"],
       "requires": ["coffee", "ingredients"],
       "provides": ["breakfast"]
     },

dotnet/src/Extensions/Extensions.UnitTests/Orchestration/FlowOrchestrator/TestData/Flow/flow.yml

@@ -28,7 +28,7 @@ steps:
 
   - goal: Cook
     plugins:
-      - CookSkill
+      - CookPlugin
       - WebSearchPlugin
     requires:
       - coffee

dotnet/src/IntegrationTests/Orchestration/Flow/FlowOrchestratorTests.cs

@@ -50,7 +50,7 @@ public async Task CanExecuteFlowAsync()
         var sessionId = Guid.NewGuid().ToString();
         string email = "abc@xyz.com";
 
-        Dictionary<object, string?> skills = new()
+        Dictionary<object, string?> plugins = new()
         {
             { webSearchEnginePlugin, "WebSearch" },
             { new TimePlugin(), "time" }
@@ -80,7 +80,7 @@ public async Task CanExecuteFlowAsync()
       - email
 ");
 
-        var flowOrchestrator = new FlowOrchestrator(builder, await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()), skills);
+        var flowOrchestrator = new FlowOrchestrator(builder, await FlowStatusProvider.ConnectAsync(new VolatileMemoryStore()), plugins);
 
         // Act
         var result = await flowOrchestrator.ExecuteFlowAsync(flow, sessionId, "Who is the current president of the United States? What is his current age divided by 2");

dotnet/src/IntegrationTests/Orchestration/Flow/SendEmailSkill.cs → dotnet/src/IntegrationTests/Orchestration/Flow/SendEmailPlugin.cs

@@ -7,7 +7,7 @@
 
 namespace SemanticKernel.IntegrationTests.Orchestration.Flow;
 
-public sealed class SendEmailSkill
+public sealed class SendEmailPlugin
 {
     [SKFunction]
     [Description("Send email")]