Add new function : monitor and trade liquidity pairs

1.Added code blacklist (rug_function.txt): the program will ignore any program with code that is in this file
2. Added min liquidity checker (won't buy token unless it has certain amount of liquidity) - edit threshold in config.json
3. Fixed issue with buy - saying transaction failed when it was fine
4. Websocketprovider - alot more reliable and also faster, should be less crashing as well
5 .Some bits of code tidied up

# [BSC] Pancake Sniper Bot Windows v2.1

1. Websocket Support Addet, you can now use ws in settings.json -> RPC! : Faster and more functions.
2. Contract Upgrade, it is now automatically determined which Basetoken has the highest liquidity and is used.
3. HoneyPot Checker and Token Tax infos successfully outsourced to the Blockchain.
4. No more api queries via https://honeypot.is/?{TokenAddress} necessary.