[feature] add the possibility to enter oculus token manually

src/shared/helpers/oculus.helpers.ts

@@ -0,0 +1,32 @@
+export function isOculusTokenValid(token: string, logger?: (...args: unknown[]) => void): boolean{
+
+    // Code taken from "https://github.com/ComputerElite/QuestAppVersionSwitcher" (TokenTools.cs)
+
+    logger?.("Checking if Oculus user token is valid");
+
+    if(!token){
+        logger?.("Oculus user token is empty");
+        return false;
+    }
+    if(token.includes("%")){
+        logger?.("Token contains %. Token most likely comes from an uri and won't work");
+        return false;
+    }
+    if(!token.startsWith("OC")){
+        logger?.("Token does not start with OC.");
+        return false;
+    }
+    if(token.includes("|")){
+        logger?.("Token contains | which usually indicates an application token which is not valid for user tokens");
+        return false;
+    }
+    if(token.match(/OC\d{15}/)){
+        logger?.("Token matches /OC[0-9}{15}/ which usually indicates a changed oculus store token");
+        return false;
+    }
+
+    logger?.("Oculus user token is valid");
+
+    return true;
+
+}