added examples

python/examples/reading_temperature.py

@@ -0,0 +1,13 @@
+from slsdet import Detector, Eiger, dacIndex
+
+
+
+#Using the general detector class and calling with an index
+d = Detector()
+fpga_temp = d.getTemperature(dacIndex.TEMPERATURE_FPGA)
+print(f'fpga_temp: {fpga_temp}\n')
+
+#Using the specialized detector class
+e = Eiger()
+print("All temperatures for Eiger\n")
+print(e.temp)