Initialize repository

Added basic info to get in game for like...August 2016 ;-;
It's not much but it's a start

RecRoomArchive/Controllers/API/VersionCheck/V1/VersionCheckController.cs

@@ -0,0 +1,26 @@
+using Microsoft.AspNetCore.Mvc;
+using RecRoomArchive.Services;
+
+namespace RecRoomArchive.Controllers.API.VersionCheck.V1
+{
+    /// <summary>
+    /// Endpoints used to check if the version the player is playing on is up to date enough to play Rec Room, due to this being a custom server, it doesn't really matter
+    /// </summary>
+    [Route(template: "api/[controller]/v1")]
+    [ApiController]
+    public class VersionCheckController(AppVersionService appVersionService) : ControllerBase
+    {
+        /// <summary>
+        /// Checks if the appVersion provided is allowed to play (which it most certainly will be unless its a weird build or someone messed with it)
+        /// </summary>
+        /// <returns>An Ok response if the version is valid, Forbid if it is not. Forbid will yield the client displaying "Rec Room Update Required" soo maybe don't</returns>
+        [HttpGet]
+        public async Task<ActionResult> CheckVersion([FromHeader(Name = "X-Rec-Room-Version")] string appVersion)
+        {
+            if (appVersion == null)
+                return Forbid();
+
+            return Ok();
+        }
+    }
+}