add SMT vibration switch

connector/usb-c_yuandi_type-602a-t3_c2689836.yaml

@@ -67,7 +67,7 @@ housing:
   rowDX3: 0
   rowDY3: -3.0 # 6.8/2-2.8-3.6
 
-  numbers4: S3, S3
+  numbers4: S3, S4
   padWidth4: 1.95
   padHeight4: 1.6
   pitch4: 9.89

mechanical/vibration-switch_syw-1912.yaml

@@ -0,0 +1,25 @@
+name: SYW-1912
+description: vibration switch, SMD
+datasheet: https://datasheet.lcsc.com/lcsc/2206211730_Saiya-Sensor-SYW-1912_C3040975.pdf
+
+pinout:
+  1: 1
+  2: 2
+
+schematic:
+  symbol: connector
+  left: 1
+  right: 2
+
+housing:
+  pattern: custom
+  bodyLength: 2.8
+  bodyWidth: 2.45
+  height: 1.6
+  leadCount: 2
+  leadLength: 0.9
+  leadSpan: 2.8
+  padWidth: 1.2
+  padHeight: 2.5
+  padSpace: 1.0
+  padPosition: -1.1, 0, 1.1, 0