Add manual installation instructions if installation fails

src/Jobs/JobsExecutor.cs

@@ -31,6 +31,7 @@ public static bool Execute(List<IJob> jobsToExecute, string[] args)
 
                     jobsToExecute.Clear();
                     Logger.Log("OpenMod installation has failed. No changes were made. Please report this issue on the OpenMod discord: https://discord.gg/J9KYMaMaTN.");
+                    Logger.Log("To install OpenMod manually, visit https://openmod.github.io/openmod-docs/userdoc/installation/unturned.html.");
                     return false;
                 }
             }
@@ -63,4 +64,4 @@ private static void Revert(IReadOnlyList<IJob> jobs)
             }
         }
     }
-}
+}