chore(docs): added OAS request examples

[shahednasser]

• Added request examples using JS Client and cURL for all requests. Some requests, however, are not available in the JS Client so those can be added when available.
• Added authentication instructions for both admin and store requests

Closes DOCS-135

[changeset-bot[bot]]

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Latest commit: a38849e2e9da46140c2151141d68cfad1c94e82b

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