Started adding module service

I will probably change the api paths and a lot of other stuff i wrote today tomorrow :|

Moonlight.ApiServer/Http/Controllers/ClientPlugins/ClientPluginsController.cs

@@ -0,0 +1,37 @@
+using Microsoft.AspNetCore.Mvc;
+using Moonlight.ApiServer.Services;
+using Moonlight.Shared.Http.Responses.ClientPlugins;
+
+namespace Moonlight.ApiServer.Http.Controllers.ClientPlugins;
+
+[ApiController]
+[Route("api/clientPlugins")]
+public class ClientPluginsController : Controller
+{
+    private readonly ModuleService ModuleService;
+
+    public ClientPluginsController(ModuleService moduleService)
+    {
+        ModuleService = moduleService;
+    }
+
+    [HttpGet]
+    public async Task<ClientPluginsResponse> Get()
+    {
+        var dlls = ModuleService.Modules
+            .Where(x => x.Modules.ContainsKey("client"))
+            .SelectMany(x =>
+                x.Modules
+                    .FirstOrDefault(c => c.Key == "client")
+                    .Value
+                    .Select(y => x.Name + "." + y)
+            )
+            .ToArray();
+
+        return new()
+        {
+            CacheKey = "unset",
+            Dlls = dlls
+        };
+    }
+}