feat：提供Linux版本的寻路库 (#228)

寻路库构建与服务器部署教程：https://www.lfzxb.top/recastnavigation-and-et-to-linux/

Server/ThirdParty/Server.ThirdParty.csproj

@@ -33,6 +33,10 @@
       <Content Include="..\..\Libs\RecastNavMesh\RecastNavDll.dll">
         <Link>RecastNavDll.dll</Link>
         <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </Content>
+	  <Content Include="..\..\Libs\RecastNavMesh\libRecastNavDll.so">
+        <Link>libRecastNavDll.so</Link>
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
       </Content>
       <Content Include="..\..\Unity\Assets\Plugins\MacOS\libkcp.dylib">
         <Link>libkcp.dylib</Link>