chore: Add copyrights to cs files (#14)

Author: Mielek

src/Analyzers/ExpressionDefinition.Analyzer.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Collections.Immutable;
 
 using Microsoft.CodeAnalysis;

src/Analyzers/ExpressionDefinition.Rules.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Collections.Immutable;
 
 using Microsoft.CodeAnalysis;

src/Analyzers/ExpressionTypeUsed.Analyzer.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Collections.Immutable;
 using System.Text.RegularExpressions;
 

src/Analyzers/ExpressionTypeUsed.Rules.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Collections.Immutable;
 
 using Microsoft.CodeAnalysis;

src/Analyzers/Extensions/SymbolExtensions.cs

@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
 
 using Microsoft.CodeAnalysis;
 

src/Analyzers/Extensions/SyntaxExtensions.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Text.RegularExpressions;
 
 using Microsoft.CodeAnalysis;

src/Analyzers/TestGenerator.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using Microsoft.CodeAnalysis;
 
 namespace Azure.ApiManagement.PolicyToolkit.Analyzers;

src/Authoring/Attributes/DocumentAttribute.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 namespace Azure.ApiManagement.PolicyToolkit.Authoring;
 
 [AttributeUsage(AttributeTargets.Class)]

src/Authoring/Attributes/ExpressionAttribute.cs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 using System.Runtime.CompilerServices;
 
 namespace Azure.ApiManagement.PolicyToolkit.Authoring;

src/Authoring/Configs/BasicAuthenticationConfig.cs

@@ -1,4 +1,7 @@
-namespace Azure.ApiManagement.PolicyToolkit.Authoring;
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Azure.ApiManagement.PolicyToolkit.Authoring;
 
 public record BasicAuthenticationConfig : IAuthenticationConfig
 {