fix(TS): add explicit annotation to Query type (testing-library#260)

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**Why**: The existing typescript definitions fail to compile with `--noImplicitAny` enabled. 

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fix(TS): add queries typings (testing-library#259)

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**What**: Add typings for queries in RenderOptions

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**Why**: It's missing. Also in a project I need to add some custom queries.

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The implementation is trickier than I thought. Any comment is appreciated. Also `Query` and `Queries` should probably be declared in `dom-testing-library`. I can create another PR once the implementation of this PR is accepted.

fix(TS): make container optional in RenderOptions (testing-library#253)

**What**: TS: make container optional in RenderOptions

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**Why**: Particularly useful if you're making a custom render with custom options. If you extend the type and call your custom render without the container but with the other options then you get a false error.

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**How**: `?`

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fix(TS): add hydrate typings (testing-library#250)

feat(hydrate): add ability to test component hydration (testing-libra…

…ry#246)

fix: update dom-testing-library dependency (testing-library#240)

fix(TS): add flushEffects() typings (testing-library#228)

feat: add flushEffects to prepare for hooks (testing-library#223)

fix(umd): ship umd build

Closes testing-library#129

chore: update url