get alliance -> dans initialise

src/main/java/frc/robot/commands/ModeAuto/GrimperMur.java

@@ -47,7 +47,9 @@ public class GrimperMur extends Command {
 
   // Called when the command is initially scheduled.
   @Override
-  public void initialize() {}
+  public void initialize() {
+    alliance = DriverStation.getAlliance();
+  }
 
   // Called every time the scheduler runs while the command is scheduled.
   @Override