added unidentified 4-pin infrared temperature sensor

sensor-temperature.dcm

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+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library

sensor-temperature.lib

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+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# infrared_temp_sensor_4pin
+#
+DEF infrared_temp_sensor_4pin ? 0 40 Y Y 1 F N
+F0 "?" 0 0 50 H V C CNN
+F1 "infrared_temp_sensor_4pin" 0 0 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 0 -350 71 0 1 0 N
+C 0 -350 141 0 1 0 N
+P 4 0 1 0 100 -400 150 -450 100 -500 50 -450 N
+X ~ 1 250 -350 100 L 50 50 1 1 U
+X ~ 2 0 -100 100 D 50 50 1 1 U
+X ~ 3 -250 -350 100 R 50 50 1 1 U
+X ~ 4 0 -600 100 U 50 50 1 1 U
+ENDDRAW
+ENDDEF
+#
+#End Library