message: Change RAM requirement from 8GB to 7GB
diff: @@ -9,7 +9,7 @@ Simple and fast setup of EOS.IO on Docker is also available.
  ## Docker Requirement
  -- At least 8GB RAM (Docker -> Preferences -> Advanced -> Memory -> 8GB or above)
  +- At least 7GB RAM (Docker -> Preferences -> Advanced -> Memory -> 7GB or above)
  - If the build below fails, make sure you've adjusted Docker Memory settings and try again.
  ## Build eos image
  