This PR removes the references to initializing Git submodules as part of
building Zed.
These are no longer needed, as our only submodule was removed in #11672.
Release Notes:
- N/A
Just adding a short note about `cargo build --release` and the location
of the compiled binary. It helps a lot to streamline usage of Zed day to
day on Linux.
Release Notes:
- N/A
This PR fixes the links in the README to account for the changes in the
docs structure.
Also, somehow the README had gotten added with `\r\n` newlines, so I
changed it back to `\n` newlines.
Release Notes:
- N/A
