v0.5.0

• Added support for intentional mentions in Matrix (MSC3952).
• Added GlobalName variable to displayname templates and updated the default template to prefer it over usernames.
• Added Webhook variable to displayname templates to allow determining if a ghost user is a webhook.
• Added guild profiles and webhook profiles as a custom field in Matrix message events.
• Added support for bulk message delete from Discord.
• Added support for appservice websockets.
• Enabled parsing headers (#) in Discord markdown.
• Messages that consist of a single image link are now bridged as images to closer match Discord.
• Stopped bridging incoming typing notifications from users who are logged into the bridge to prevent echoes.