fix(TS): examples + types (testing-library#77)

* Update README with new match examples

* Update types

(probably invalid typescript syntax)

* Remove example that messes up TOC

* Fix union type

test: adjust tests for breaking changes

docs: copy in waitForElement docs (testing-library#73)

* Copy in waitForElement docs

* Link out to source

* Add waitForElement examples

fix(TS): add types for exported functions. (testing-library#69)

feat(rerender): implement rerender (testing-library#65) (testing-libr…

…ary#70)

* feat(rerender): implement rerender (testing-library#65)

* update readme
* update examples
* tests
* typescript typings

* Update index.js

* Update rerender.js

* Update rerender.js

* Update README.md

Closes testing-library#65

feat(examples): Add context examples (testing-library#68)

* feat(examples): Add context examples

* modify the examples

* fix example stuff

feat(waitForElement): add export of waitForElement

feat(queries): upgrade dom-testing-library to support all queries

fix(TypeScript): add a definition for TextMatch (testing-library#52)

* Add a definition for TextMatch and replace the query helper arguments with it.

feat(fireEvent): add fireEvent from dom-testing-library (testing-libr…

…ary#48)

* add fireEvent from dom-testing-library

* add contributor

* added docs

* use document for synthetic events

* added renderIntoDocument and clearDocument

* added docs

* update tests and README.md

* fix typos

* fix typo

* update readme

* fix typo

* use beforeEach

* added cleanup, removed clearDocument

* use afterEach for cleanup

* Update README.md