Mark `Router::add_route` as deprecated (#367) * Propagate ipc errors to users of TypedRouterHandle Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Deprecate Router::add_route Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Bump Cargo.toml version Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Use semver-compliant version. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> Signed-off-by: Josh Matthews <josh@joshmatthews.net> Co-authored-by: Josh Matthews <josh@joshmatthews.net>