change inductor footprint for lower freq IDTs and made gap wider

hardware/holder/holder.kicad_prl

@@ -4,9 +4,7 @@
     "active_layer_preset": "",
     "auto_track_width": true,
     "hidden_netclasses": [],
-    "hidden_nets": [
-      "GND"
-    ],
+    "hidden_nets": [],
     "high_contrast_mode": 0,
     "net_color_mode": 1,
     "opacity": {
@@ -19,17 +17,17 @@
     },
     "prototype_zone_fills": false,
     "selection_filter": {
-      "dimensions": false,
-      "footprints": false,
-      "graphics": false,
-      "keepouts": false,
+      "dimensions": true,
+      "footprints": true,
+      "graphics": true,
+      "keepouts": true,
       "lockedItems": false,
-      "otherItems": false,
-      "pads": false,
-      "text": false,
-      "tracks": false,
+      "otherItems": true,
+      "pads": true,
+      "text": true,
+      "tracks": true,
       "vias": true,
-      "zones": false
+      "zones": true
     },
     "visible_items": [
       "vias",
@@ -51,9 +49,11 @@
       "drc_exclusions",
       "locked_item_shadows",
       "conflict_shadows",
-      "shapes"
+      "shapes",
+      "board_outline_area",
+      "ly_points"
     ],
-    "visible_layers": "ffffffff_ffffffff_fffffffd_ffffffff",
+    "visible_layers": "ffffffff_ffffffff_fffffff7_ffffffff",
     "zone_display_mode": 0
   },
   "git": {