feat(docs): ADR-119 : Mempool DOG (cometbft#4493)

Closes cometbft#4319 


[adr-119-dog-mempool-gossip.md](https://github.com/cometbft/cometbft/blob/jasmina/dog-adr/docs/references/architecture/adr-119-dog-mempool-gossip.md)

---

#### PR checklist

- [ ] Tests written/updated
- [ ] Changelog entry added in `.changelog` (we use
[unclog](https://github.com/informalsystems/unclog) to manage our
changelog)
- [ ] Updated relevant documentation (`docs/` or `spec/`) and code
comments

---------

Co-authored-by: Hernán Vanzetto <[email protected]>
Co-authored-by: Daniel <[email protected]>
Co-authored-by: Anton Kaliaev <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: 5 people

docs/references/architecture/README.md

@@ -43,7 +43,6 @@ numbering our ADRs from 100 onwards.
 ### Proposed
 
 - [ADR-113: Modular transaction hashing](adr-113-modular-transaction-hashing.md)
-- [ADR-118: Mempool Lanes](adr-118-mempool-lanes.md)
 
 ### Accepted
 
@@ -59,6 +58,8 @@ numbering our ADRs from 100 onwards.
 - [ADR-112: Proposer-Based Timestamps](adr-112-proposer-based-timestamps.md)
 - [ADR-114: Partly Undo ADR 109](adr-114-undo-109.md)
 - [ADR-115: Predictable Block Times](adr-115-predictable-block-times.md)
+- [ADR-118: Mempool Lanes](adr-118-mempool-lanes.md)
+- [ADR-119: Dynamic Optimal Graph (DOG) gossip protocol](adr-119-dog-mempool-gossip.md)
 
 ### Accepted but Not (Yet) Implemented