Game version in the menu: VERSION holds vYYYYMM-NNNNN, shown on the title screen and in the pause menu, tools/bump_version.py raises it with every change

Dockerfile

@@ -4,6 +4,7 @@ RUN rustup target add wasm32-unknown-unknown
 WORKDIR /src
 COPY Cargo.toml Cargo.lock ./
 COPY .cargo .cargo
+COPY VERSION ./
 # build dependencies first (Docker layer cache)
 RUN mkdir src && echo "fn main() {}" > src/main.rs \
  && cargo build --release --target wasm32-unknown-unknown \