First commit

AMessanger.Core/AMessanger.Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.SignalR" />
+  </ItemGroup>
+
+</Project>

AMessanger.Core/Hubs/ChatHub.cs

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+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.Logging;
+
+namespace AMessanger.Core.Hubs;
+
+public class ChatHub(ILogger<ChatHub> logger) : Hub
+{
+    public async Task SendMessage(string user, string message)
+    {
+        logger.LogInformation($"{user}: {message}");
+        await Clients.All.SendAsync("ReceiveMessage", user, message);
+    }
+}

AMessanger.Core/Models/WeatherForecast.cs

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+namespace AMessanger.Core.Models;
+
+public class WeatherForecast
+{
+    public DateOnly Date { get; set; }
+
+    public int TemperatureC { get; set; }
+
+    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+    public string? Summary { get; set; }
+}