feat(awesome-assertions): Added new project WireMock.Net.AwesomeAssertions (#1273)

* feat(awesome-assertions): Added new project WireMock.Net.AwesomeAssertions

* feat(awesome-assertions): Applied dotnet naming convention for private readonly fields

---------

Co-authored-by: Francesco Venturoli <f.venturoli@crif.com>

src/WireMock.Net.AwesomeAssertions/Assertions/WireMockReceivedAssertions.cs

@@ -0,0 +1,56 @@
+// Copyright © WireMock.Net
+
+using FluentAssertions.Primitives;
+using WireMock.Server;
+
+// ReSharper disable once CheckNamespace
+namespace WireMock.FluentAssertions;
+
+/// <summary>
+/// Contains a number of methods to assert that the <see cref="IWireMockServer"/> is in the expected state.
+/// </summary>
+public class WireMockReceivedAssertions : ReferenceTypeAssertions<IWireMockServer, WireMockReceivedAssertions>
+{
+    private readonly AssertionChain _chain;
+
+    /// <summary>
+    /// Create a WireMockReceivedAssertions.
+    /// </summary>
+    /// <param name="server">The <see cref="IWireMockServer"/>.</param>
+    /// <param name="chain">The assertion chain</param>
+    public WireMockReceivedAssertions(IWireMockServer server, AssertionChain chain) : base(server, chain)
+    {
+        _chain = chain;
+    }
+
+    /// <summary>
+    /// Asserts if <see cref="IWireMockServer"/> has received no calls.
+    /// </summary>
+    /// <returns><see cref="WireMockAssertions"/></returns>
+    public WireMockAssertions HaveReceivedNoCalls()
+    {
+        return new WireMockAssertions(Subject, 0, _chain);
+    }
+
+    /// <summary>
+    /// Asserts if <see cref="IWireMockServer"/> has received a call.
+    /// </summary>
+    /// <returns><see cref="WireMockAssertions"/></returns>
+    public WireMockAssertions HaveReceivedACall()
+    {
+        return new WireMockAssertions(Subject, null, _chain);
+    }
+
+    /// <summary>
+    /// Asserts if <see cref="IWireMockServer"/> has received n-calls.
+    /// </summary>
+    /// <param name="callsCount"></param>
+    /// <returns><see cref="WireMockANumberOfCallsAssertions"/></returns>
+    public WireMockANumberOfCallsAssertions HaveReceived(int callsCount)
+    {
+        return new WireMockANumberOfCallsAssertions(Subject, callsCount, _chain);
+    }
+
+    /// <inheritdoc />
+    protected override string Identifier => "wiremockserver";
+}