feat: 在前端显示编译过程中的日志 (#67)

Reviewed-on: PostGuard/Canon#67

Canon.Core/Abstractions/ICompilerLogger.cs

@@ -0,0 +1,12 @@
+using Microsoft.Extensions.Logging;
+
+namespace Canon.Core.Abstractions;
+
+public interface ICompilerLogger : ILogger
+{
+    IDisposable ILogger.BeginScope<TState>(TState state) => default!;
+
+    bool ILogger.IsEnabled(LogLevel logLevel) => true;
+
+    public string Build();
+}