Add README.md

README.md

+
+Build project :
+
+./build.sh 
+
+
+Run Project : 
+
+TP_RES_TYPE=PARAM ./medium 0 & TP_RES_TYPE=PARAM ./receiving to & TP_RES_TYPE=PARAM ./sending readme
+
+PARAM = 0 for even parity checking
+PARAM = 1 for Polynomial coding
+PARAM = 2 for hamming code
+
+
+exemple (hamming code):
+
+TP_RES_TYPE=2 ./medium 0 & TP_RES_TYPE=2 ./receiving to & TP_RES_TYPE=2 ./sending readme