refactor!: rename the project from Monitor to MoShiro [CI]

Namespaces, assemblies, solution, binaries, images, systemd units, config paths, environment variables, protocol methods and the Linux user are all renamed. Breaking: existing databases, node identities and installed units must be recreated.

backend/fleet/src/Fleet.Server.Link/FleetServerBuilder.cs

@@ -50,7 +50,7 @@ public sealed class FleetServerBuilder
         return this;
     }
 
-    /// <summary>注册产品的 RPC 方法（<c>monitor.*</c> 等）。处理函数通过 <see cref="IServiceProvider"/> 在调用时解析服务，避免构造期的循环依赖。</summary>
+    /// <summary>注册产品的 RPC 方法（<c>moshiro.*</c> 等）。处理函数通过 <see cref="IServiceProvider"/> 在调用时解析服务，避免构造期的循环依赖。</summary>
     public FleetServerBuilder MapMethods(Action<RpcRouter<NodeCallContext>, IServiceProvider> configure)
     {
         _routeConfigurators.Add(configure);