feat: add cc2 mounting hole depth information

Author: andy23512

src/app/const/cross-reference.consts.ts

@@ -246,4 +246,7 @@ export const CROSS_REFERENCES = {
     },
     '. The press-down key travel is the travel of center push on the datasheet.',
   ],
+  cc2_mounting_hole_depth: [
+    'I measured this depth. I screwed a long and straight ¼"-20 screw into a CC2 til the end, marked the position, and measured the length between the screw tip and the mark.',
+  ],
 } satisfies Record<CrossReferenceKey, CrossReferenceContent>;

src/app/const/device.consts.ts

@@ -294,7 +294,11 @@ const CC2: Device = {
     },
     switchStyle: '3-D Tactile',
     actuationForce: { type: 'string', value: '42 gF / 240 gF' },
-    hardwareInterface: 'Female ¼"-20 Thread',
+    hardwareInterface: {
+      type: 'string',
+      value: 'Female ¼"-20 Thread (Depth: 1.5 cm)',
+      crossReference: 'cc2_mounting_hole_depth',
+    },
     switchDurability: {
       type: 'number',
       value: 1000000,

src/app/model/cross-reference.model.ts

@@ -35,4 +35,5 @@ export type CrossReferenceKey =
   | 'm4g_number_of_3d_switches'
   | 'm4g_key_travel'
   | 'cc2_key_travel'
-  | 'cc1_key_travel';
+  | 'cc1_key_travel'
+  | 'cc2_mounting_hole_depth';