Features:

• (left) clicking the addon button while on an IMDb page will redirect to the matching letterboxd page
• Adds a small icon on the IMDb page (next to the logo) with same redirect as the addon button
• (optional) auto redirect behavior
• Adds a 'go to IMDb' button when an item can't be found on letterboxd (this will pause the auto redirect for that item)

For options, right click the addon icon in the extensions toolbar.

Added features:
* (optional) auto redirect in the same tab
* add option to chose to open the letterboxd page in new or same tab
* add a 'go to imdb' button when on a letterboxd page to pause auto redirect for that movie and go to the imdb page