CodiMD Book mode

## Disclaimer * This extension is NOT developed by HackMD team. * I develop this extension for personal use. There may be undiscovered defects. Please think twice before use. ## Requested Permissions * webRequest Read security headers related to iframe * declarativeNetRequest Modify found security headers to make functionality working ## Notice * Hostname must contains hackmd or codimd; otherwise, this extension will not enable book mode. In the other words, if you host CodiMD without domain name, this extension is not for you. ## How to use? 1. Install extension 2. Open your note for book index (e.g. https://codimd.your.domain/note) 3. Add `book` to query string (e.g. https://codimd.your.domain/note?book) 4. Enjoy it ## Difference between this extension and HackMD * Links will be opened in new tab * HackMD * [target=_blank] is added explicitly * Starts with http (non-SSL) * This extension * [target=_blank] is added explicitly * Cross-origin