chore(main): release 2.1.0

[github-actions]

🤖 I have created a release beep boop

2.1.0 (2026-04-22)

Features

• cleanup: make PKCE default for getAuthUrl and remove second auth URL method; add code verifier to options and use it automatically if it exists (51b207e)
• cleanup: stop importing TextEncoder, since it is available in the global namespace (0ec166e)
• cleanup: switch base64url-js with custom base64url code; add test for base64url code; update pkce generation (c8d053b)
• security: Add PKCE specific method for getting auth url; add code verifier functionality to getToken; add tests (ce13c13)
• security: add PKCE support (8a944f6)

Bug Fixes

• bug: add g to first regex in order to replace all instances of + instead of just the first (a02a1a6)
• bug: update getAuthUrl() to properly update options object when using PKCE (900f2fb)
• change test file loading (550cacd)
• test files not found (8c917ad)

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[github-actions]

🤖 Created releases:

• v2.1.0

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