Feat: added transaction processor and filter (250 times faster)

main.go

packages/database/database.go

packages/database/interfaces.go

packages/filter/byte_array_filter.go

packages/filter/byte_array_filter_test.go

packages/typeconversion/typeconversion.go

plugins/gossip/events.go

plugins/gossip/neighbors.go

plugins/gossip/plugin.go

plugins/gossip/protocol.go

plugins/gossip/protocol_v1.go

plugins/gossip/server.go

plugins/gossip/transaction_processor.go

plugins/gossip/transaction_processor_test.go

plugins/tangle/plugin.go