feat(rule-set): Add member access as well as function name

[buehler]

Adding the following rules:

• member-access: force explicit naming of public private and protected
• jsx-no-lambda: allow lambda expressions in JSX
• function-name: allow (expecially for default imports) an uppercase function name

[mfeltscher]

Please also add documentation to README

[buehler]

This will be a breaking change (due to the member-access rule)

[buehler]

I'd suggest the following commit msg:

BREAKING CHANGE: This adds `member-access` as a required rule.
This rule forces the user to add `public`, `private` and `protected` modifiers
to their class members. To migrate, install the new version and use the
given visibility members on classes.

[deniaz]

function-name was breaking as well ¯_(ツ)_/¯