some code fixes, start to draw new schematic

F0:F030,F042,F072/CANbus_stepper/kicad/stm32.kicad_prl

@@ -3,10 +3,12 @@
     "active_layer": 0,
     "active_layer_preset": "",
     "auto_track_width": true,
+    "hidden_netclasses": [],
     "hidden_nets": [],
     "high_contrast_mode": 0,
     "net_color_mode": 1,
     "opacity": {
+      "images": 0.6,
       "pads": 1.0,
       "tracks": 1.0,
       "vias": 1.0,
@@ -63,7 +65,13 @@
       36
     ],
     "visible_layers": "fffffff_ffffffff",
-    "zone_display_mode": 0
+    "zone_display_mode": 1
+  },
+  "git": {
+    "repo_password": "",
+    "repo_type": "",
+    "repo_username": "",
+    "ssh_key": ""
   },
   "meta": {
     "filename": "stm32.kicad_prl",
@@ -71,5 +79,18 @@
   },
   "project": {
     "files": []
+  },
+  "schematic": {
+    "selection_filter": {
+      "graphics": true,
+      "images": true,
+      "labels": true,
+      "lockedItems": false,
+      "otherItems": true,
+      "pins": true,
+      "symbols": true,
+      "text": true,
+      "wires": true
+    }
   }
 }