fix indents to 4 spaces, correct style

package.json

@@ -65,7 +65,7 @@
         "c9.ide.find": "#be3bca94b7",
         "c9.ide.find.infiles": "#462928475c",
         "c9.ide.find.replace": "#fe41fa768d",
-        "c9.ide.run.debug": "#9136fbbf63",
+        "c9.ide.run.debug": "#f2d348f27a",
         "c9.ide.ace.emmet": "#e5f1a92ac3",
         "c9.ide.ace.gotoline": "#4d1a93172c",
         "c9.ide.ace.keymaps": "#422e83553b",