v3.0.0-beta1

• Bug: use editor to save the user (fixes #184)

• Bug: allow creation of OOXML files if app not in default location (fixes #118)

• Bug: center public edit name

• Fixes: Do not use deprecated OC.webroot

• Fixes: Move to compiled handlebars tempalte to be strict CSP compatible

• Fixes: Do not show building of the interface

• Feature: Allow inserting images directly from Nextcloud

• Feature: Add sharing button to header

• Feature: Use Collabora as a preview provider

• Feature: Show editors in Nextcloud header