Add URLDownload plugin (#14)

data/plugins/thirdparty/urldownload.yaml

@@ -0,0 +1,16 @@
+# The name of the plugin.
+name: URLDownload
+# A link to the Git repository.
+repo: https://codeberg.org/LukeLR/matrix-url-download
+# The SPDX license identifier for the plugin (same as in maubot.yaml)
+license: LGPL-3.0-only
+# The author of the plugin.
+author: lukaro <(at)lukaro(colon)hacknesium.de>
+# A short description for the plugin. May contain markdown.
+description: A plugin for the maubot bot framework implementing URL downloads in matrix rooms.
+# Antifeature identifiers. Currently the only defined value is `synchronous`,
+# which must be included if the plugin uses non-async libraries in the main
+# thread (because that can block the whole maubot process).
+antifeatures: [synchronous]
+# List of public bot user IDs where the plugin is running.
+public_instances: []