add IR demodulator

sensor/ir-demodulator_irm-h6xxt.yaml

@@ -0,0 +1,36 @@
+name: IRM-H6XXT
+alias: IRM-H638T, IRM-H638T/TR2
+description: IR receiver module
+datasheet: https://everlighteurope.com/index.php?controller=attachment&id_attachment=5176
+distributor: LCSC C91447
+
+pinout:
+  GND: 1,2
+  VCC: 4
+  VOUT: 3
+
+properties:
+  out: VOUT
+  power: VCC
+  ground: GND
+
+schematic:
+  symbol: IC
+  right: VOUT
+  top: VCC
+  bottom: GND
+
+housing:
+  pattern: custom
+  options: polarized
+  bodyWidth: 4.0
+  bodyLength: 5.0
+  height: 4.0
+  silkscreen: M -2.1 -1.9 -3.5 -1.9 # pin 1 mark
+  numbers: 1,4,2,3 # CCW numbering
+  rowCount: 2
+  columnCount: 2
+  padHeight: 0.7
+  padWidth: 1.4
+  verticalPitch: 2.54 # 1.84 + 0.7
+  horizontalPitch: 5.8 # 2.2 * 2 + 1.4