Anki add-on: Play audio in browser

Adds a button in Browser window. On click, the addon is looking for [sound:...]-tags. - if there is no sound tag found → error message - if there is 1 sound tag found → it is played - if there are several sound tags found → each is played with a little dialogue referring to the file - if there is marked text → all steps mentioned above are applied only to the marked text. Watch out when changing notes in the browser while having marked text - until you select the new note window, the last marked text is remembered Audio can be directly played with shortcut alt + m