Declare interfaces for building list of
managers of certain peer in certain epoch.
Implement `Builder` struct that aggregates
fields that are necessary for building
list of managers.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Implement reputation `Router` and its constructor,
designed to define where to send local trusts.
Router is based on dependencies that are hidden
behind interfaces, that are declared in the router's
package.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
