Test update commit

mainboard.kicad_pro

@@ -1,5 +1,6 @@
 {
   "board": {
+    "3dviewports": [],
     "design_settings": {
       "defaults": {},
       "diff_pair_dimensions": [],
@@ -7,26 +8,76 @@
       "rules": {},
       "track_widths": [],
       "via_dimensions": []
-    }
+    },
+    "ipc2581": {
+      "dist": "",
+      "distpn": "",
+      "internal_id": "",
+      "mfg": "",
+      "mpn": ""
+    },
+    "layer_pairs": [],
+    "layer_presets": [],
+    "viewports": []
   },
   "boards": [],
+  "cvpcb": {
+    "equivalence_files": []
+  },
   "libraries": {
     "pinned_footprint_libs": [],
     "pinned_symbol_libs": []
   },
   "meta": {
-    "filename": "kicad.kicad_pro",
-    "version": 1
+    "filename": "mainboard.kicad_pro",
+    "version": 3
   },
   "net_settings": {
-    "classes": [],
+    "classes": [
+      {
+        "bus_width": 12,
+        "clearance": 0.2,
+        "diff_pair_gap": 0.25,
+        "diff_pair_via_gap": 0.25,
+        "diff_pair_width": 0.2,
+        "line_style": 0,
+        "microvia_diameter": 0.3,
+        "microvia_drill": 0.1,
+        "name": "Default",
+        "pcb_color": "rgba(0, 0, 0, 0.000)",
+        "priority": 2147483647,
+        "schematic_color": "rgba(0, 0, 0, 0.000)",
+        "track_width": 0.2,
+        "via_diameter": 0.6,
+        "via_drill": 0.3,
+        "wire_width": 6
+      }
+    ],
     "meta": {
-      "version": 0
-    }
+      "version": 4
+    },
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
   },
   "pcbnew": {
+    "last_paths": {
+      "gencad": "",
+      "idf": "",
+      "netlist": "",
+      "plot": "",
+      "pos_files": "",
+      "specctra_dsn": "",
+      "step": "",
+      "svg": "",
+      "vrml": ""
+    },
     "page_layout_descr_file": ""
   },
+  "schematic": {
+    "legacy_lib_dir": "",
+    "legacy_lib_list": []
+  },
   "sheets": [],
   "text_variables": {}
 }