Fix DPGraph

Author: VFDan

proxySettings.json

@@ -87,6 +87,8 @@
     "deepv": "application/x-deepv",
     "dgn": "image/dgn",
     "dir": "application/x-director",
+    "dpg": "application/vnd.dpgraph",
+    "dpgraph": "application/vnd.dpgraph",
     "dsn": "application/x-altiadsn",
     "dvl": "application/x-devalvrx",
     "dx": "chemical/x-jcamp-dx",
@@ -123,6 +125,7 @@
     "mop": "chemical/x-mopac-input",
     "mov": "video/quicktime",
     "mus": "x-world/x-d96",
+    "mwc": "application/vnd.dpgraph",
     "nmo": "application/x-virtools",
     "nms": "application/x-virtools",
     "p3d": "application/x-p3d",