message: Document that `start-web-server` needs you to run migrations first
diff: @@ -64,10 +64,13 @@ cargo build
  # Start the extenal services
  docker-compose up -d db s3
  # Build a sample crate to make sure it works
  -# This sets up the docs.rs build environment, including installing the nightly
  -# Rust toolchain. This will take a while the first time but will be cached afterwards.
  +# This sets up the docs.rs build environment,
  +# including running the migrations and installing the nightly Rust toolchain.
  +# This will take a while the first time but will be cached afterwards.
  cargo run -- build crate regex 1.3.1
  # This starts the web server but does not build any crates.
  +# It does not automatically run the migrations, so you need to do that manually.
  +cargo run database migrate
  cargo run start-web-server
  ```
  