Add local_stt plugin (#10)

* Create mau_local_stt

* Update and rename mau_local_stt to local_stt.yaml

data/plugins/thirdparty/local_stt.yaml

@@ -0,0 +1,16 @@
+# The name of the plugin.
+name:  local_stt
+# A link to the Git repository.
+repo: https://github.com/ElishaAz/mau_local_stt
+# The SPDX license identifier for the plugin (same as in maubot.yaml)
+license: GPL-3.0-only.
+# The author of the plugin.
+author: ElishaAz
+# A short description for the plugin. May contain markdown.
+description: A Maubot to transcribe audio messages in matrix rooms using local open-source libraries
+# 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: []