only send changed cells, not the whole field each time

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 979981d..b2c9889 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,4 @@ users = "0.8"
 specs = { version = "0.15", features = ["specs-derive"] }
 rand = "0.7"
 serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }