Add wordlist suggestion to README.md

Escape Technologies' wordlist is much more relevant than general top 10k English words, hence adding it to readme might be of great use for common users.

README.md

@@ -48,8 +48,9 @@ docker run --rm nikitastupin/clairvoyance --help
 
 ### Which wordlist should I use?
 
-There are at least two approaches:
+There are at least three approaches:
 
+- Use one of the [wordlists](https://github.com/Escape-Technologies/graphql-wordlist) collected by Escape Technologies
 - Use general English words (e.g. [google-10000-english](https://github.com/first20hours/google-10000-english)).
 - Create target specific wordlist by extracting all valid GraphQL names from application HTTP traffic, from mobile application static files, etc. Regex for GraphQL name is [`[_A-Za-z][_0-9A-Za-z]*`](http://spec.graphql.org/June2018/#sec-Names).