[WIP] Add resume and identify logic for gateway

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

src\grom\gateway.gleam:3001
User(StartSendResume(ResumingInfo(Subject(//erl(<0.132.0>), //erl(#Ref<0.968282838.1666449410.22439>)), Some(1), "wss://gateway-us-east1-d.discord.gg", "0aef0032c1d4a81d4d567904d56ada1c")))
src\grom\gateway.gleam:3001
User(StartIdentify(Welcomed("wss://gateway.discord.gg", Subject(//erl(<0.127.0>), //erl(#Ref<0.968282838.1666449410.22327>)), Subject(//erl(<0.124.0>), //erl(#Ref<0.968282838.1666449410.22274>)), IdentifyMessage(Shard(0, 1), "TOKEN", IdentifyProperties("windows_nt", "grom", "grom"), False, None, None, []), Subject(//erl(<0.145.0>), //erl(#Ref<0.968282838.1666449410.22810>)), None)))
src\grom\gateway.gleam:3001
Text("{"t":"RESUMED","s":2,"op":0,"d":{"_trace":["[\"gateway-prd-arm-us-east1-d-5457\",{\"micros\":1854,\"calls\":[\"id_created\",{\"micros\":0,\"calls\":[]},\"session_lookup_time\",{\"micros\":1619,\"calls\":[]},\"session_lookup_finished\",{\"micros\":8,\"calls\":[]},\"discord-sessions-prd-2-138\",{\"micros\":14}]}]"]}}")
src\grom\gateway.gleam:3001
Text("{"t":null,"s":null,"op":10,"d":{"heartbeat_interval":41250,"_trace":["[\"gateway-prd-arm-us-east1-d-qtld\",{\"micros\":0.0}]"]}}")
src\grom\gateway.gleam:3001
User(StartIdentify(Welcomed("wss://gateway.discord.gg", Subject(//erl(<0.127.0>), //erl(#Ref<0.968282838.1666449410.22327>)), Subject(//erl(<0.124.0>), //erl(#Ref<0.968282838.1666449410.22274>)), IdentifyMessage(Shard(0, 1), "TOKEN", IdentifyProperties("windows_nt", "grom", "grom"), False, None, None, []), Subject(//erl(<0.150.0>), //erl(#Ref<0.968282838.1666449410.22893>)), None)))
src\grom\gateway.gleam:3001
Text("{"t":"READY","s":1,"op":0,"d":{"v":10,"user_settings":{},"user":{"verified":true,"username":"Pozdrawiam, jestem botem.","primary_guild":null,"mfa_enabled":true,"id":"825753980717236274","global_name":null,"flags":0,"email":null,"discriminator":"6228","clan":null,"bot":true,"avatar":"22c82caade6b75065ef8e257499b0cdd"},"shard":[0,1],"session_type":"normal","session_id":"430861172fa237e7db939011e92f4061","resume_gateway_url":"wss://gateway-us-east1-d.discord.gg","relationships":[],"private_channels":[],"presences":[],"guilds":[{"unavailable":true,"id":"1155216444691325049"}],"guild_join_requests":[],"geo_ordered_rtc_regions":["warsaw","denmark","frankfurt","stockholm","rotterdam"],"game_relationships":[],"auth":{},"application":{"id":"825753980717236274","flags":27828224},"_trace":["[\"gateway-prd-arm-us-east1-d-qtld\",{\"micros\":175954,\"calls\":[\"id_created\",{\"micros\":495,\"calls\":[]},\"session_lookup_time\",{\"micros\":302,\"calls\":[]},\"session_lookup_finished\",{\"micros\":10,\"calls\":[]},\"discord-sessions-prd-2-12\",{\"micros\":174813,\"calls\":[\"start_session\",{\"micros\":168446,\"calls\":[\"discord-api-rpc-5cd4768744-zr9j9\",{\"micros\":100735,\"calls\":[\"get_user\",{\"micros\":14734},\"get_guilds\",{\"micros\":13395},\"send_scheduled_deletion_message\",{\"micros\":15},\"guild_join_requests\",{\"micros\":3},\"authorized_ip_coro\",{\"micros\":13},\"pending_payments\",{\"micros\":1661},\"apex_experiments\",{\"micros\":54179},\"sessions_experiments\",{\"micros\":7},\"user_activities\",{\"micros\":5},\"played_application_ids\",{\"micros\":4},\"linked_users\",{\"micros\":4},\"ad_personalization_toggles_disabled\",{\"micros\":3},\"regional_feature_config\",{\"micros\":4}]}]},\"starting_guild_connect\",{\"micros\":41,\"calls\":[]},\"presence_started\",{\"micros\":342,\"calls\":[]},\"guilds_started\",{\"micros\":67,\"calls\":[]},\"lobbies_started\",{\"micros\":1,\"calls\":[]},\"guilds_connect\",{\"micros\":1,\"calls\":[]},\"presence_connect\",{\"micros\":5885,\"calls\":[]},\"connect_finished\",{\"micros\":5899,\"calls\":[]},\"build_ready\",{\"micros\":15,\"calls\":[]},\"clean_ready\",{\"micros\":0,\"calls\":[]},\"optimize_ready\",{\"micros\":0,\"calls\":[]},\"split_ready\",{\"micros\":1,\"calls\":[]}]}]}]"]}}")
src\grom\gateway.gleam:3001
User(StartSendHeartbeat)

Based on my code and the discord dev docs, is this the proper cycle for a resume?

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