Add SPI and LED

Kicad/MainBoard/MainBoard.kicad_pro

@@ -57,7 +57,7 @@
       ],
       "drc_exclusions": [],
       "meta": {
-        "version": 1
+        "version": 2
       },
       "rule_severities": {
         "annular_width": "error",
@@ -69,6 +69,7 @@
         "drill_out_of_range": "error",
         "duplicate_footprints": "warning",
         "extra_footprint": "warning",
+        "footprint_type_mismatch": "error",
         "hole_clearance": "error",
         "hole_near_hole": "error",
         "invalid_outline": "error",
@@ -87,6 +88,7 @@
         "silk_over_copper": "ignore",
         "silk_overlap": "ignore",
         "skew_out_of_range": "error",
+        "through_hole_pad_without_hole": "error",
         "too_many_vias": "error",
         "track_dangling": "warning",
         "track_width": "warning",
@@ -112,13 +114,11 @@
         "min_track_width": 0.13,
         "min_via_annular_width": 0.049999999999999996,
         "min_via_diameter": 0.39999999999999997,
-        "solder_mask_clearance": 0.0,
-        "solder_mask_min_width": 0.0,
-        "solder_paste_clearance": 0.0,
-        "solder_paste_margin_ratio": -0.0
+        "use_height_for_length_calcs": true
       },
       "track_widths": [
         0.0,
+        0.15,
         0.2
       ],
       "via_dimensions": [