update document.

README

@@ -1,12 +1,23 @@
-app module
-    hashrate
-    distribution
-    report_block
-    confirm_block
-    clear
-    balance
+m2pool app module code
 
-############# start common #############
+environment:
+nodejs v16.10.0 +
+express
+axios
+mysql2
+ioredis
+
+if you want to support enx, kas... 
+add environment:
+kaspa-rpc-client
+
+### start common example ###
+node app.js <method> <coin>
+
+# if you used pm2, you can use this command
+pm2 start app.js --name <pm2 process name> -- <method> <coin>
+
+############# pm2 start common #############
 pm2 start app.js --name nexa-hashratev2 -- hashrate nexa
 pm2 start app.js --name nexa-reportv2 -- report nexa
 pm2 start app.js --name nexa-confirm -- confirm nexa