ignore dfu-programme.exe in commits

.gitignore

@@ -1,3 +1,4 @@
+keyboard/planck/dfu-programmer.exe
 .dep
 *.o
 *.eep
@@ -18,4 +19,5 @@ build/
 # Eclipse Settings
 .cproject
 .project
-.settings/
+.settings/
+