Merge pull request #19 from cryptpad/scope-trailing-spaces

scope as sent to OP must not have trailing spaces

Merge pull request #18 from promasu/main

Use encodeBase64 from Util

Add missing config field for saml

Fix margin issue

Update README.md

- Fix a typo
- Fix proper email address
- Fix Markdown rendering issue of links with brackets inside
- Improve navigation in CryptPad directory directives