Add git

docker/Dockerfile.dev

@@ -1,6 +1,6 @@
 FROM nixos/nix
 ENV PATH="/root/.yarn/bin/:${PATH}"
-RUN nix-env --install go go-task sqlc nodejs yarn
+RUN nix-env --install go go-task sqlc nodejs yarn git
 ADD web/package.json web/yarn.lock /src/web/
 WORKDIR /src/web
 RUN yarn