feat: expose driver types from the agent

[vigneshshanmugam]

• Solves the problem specified in Improve imports/deps to use playwright-core transitively and Improve Example naming #158
• Exposes all of the driver types that could be used from the suites
• It solves the problem of users needing to import playwright-core or playwright-* for using types and eventually run in to problems of version mismatch.
• Once we add support for multiple browsers, we would expose the types from playwright-core instead and rest would look the same

[vigneshshanmugam]

will change once we merge and release a new version where types would become available.

[apmmachine]

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Build stats

• Build Cause: Pull request #239 opened

• Start Time: 2021-03-09T23:50:13.524+0000

• Duration: 18 min 40 sec

• Commit: e319ce2

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Test	Results
Failed	0
Passed	73
Skipped	0
Total	73

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[andrewvc]

LGTM