Created V1.0 with OAuth support

[johnagan]

• Updated docs with examples - fixes #63
• Added support for OAuth
• Added support for header overrides
• Added installer() to access /user since user() is used by the memberships endpoints - fixes #62
• Added the ability to set token after initialization - fixes #56 #58
• Rewrote all tests
• Added Eslinter
• Added GitHub actions for tests
• Removed default sec-fetch-mode - fixes #60