Adding graph and readme and some info messages in client and server

KVClient.c

@@ -213,6 +213,9 @@ int main(int argc, char const *argv[])
 
     if(seige_mode==0) {
         sock = client_init();
+        printf("To send GET message type: get key\n");
+        printf("To send PUT message type: put key value\n");
+        printf("To send DEL message type: del key\n");
         interactive(sock);
         return 0; 
     } else {

KVServer.c

@@ -206,6 +206,8 @@ int main (int argc, int argv) {
     listen(sockfd, 5);
     clilen = sizeof(cli_addr);
 
+    printf("Listening on port %d\n", settings->listening_port);
+
     init_cache(settings->cache_size);
     storage_init();
 

README

+Roshan Sahu		203050048	sroshan@cse.iitb.ac.in
+Shivaji Chirumamilla	203050056	shivaji@cse.iitb.ac.in
+Samarth Joshi		203059008	samarthjoshi@cse.iitb.ac.in
+
+To BUILD code run command
+	make
+
+To RUN server run command
+	./Server
+
+To RUN client run command
+	./Client
+
+To edit configuration edit settings.conf file
+
+
+