feat(conduwuit): add ansible role

roles/conduwuit/README.md

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+# `finallycoffee.matrix.conduwuit` ansible role
+
+Deploy [conduwuit](https://conduwuit.puppyirl.gay/), a fork of
+conduit, written in rust and using rocksdb.
+
+Please note that conduwuit is still under development.
+
+## Required configuation
+
+- `conduwuit_server_name` - domain the matrix server should be authoritative for.
+  Note that this can not be changed later!
+- `conduwuit_config_registration_token` - when `conduwuit_config_allow_registration` is `true`