This change adds a document that was already written, but never
published before. Also, the summary includes a skeleton of chapters to
be filled in by future changes.
TEST=mdbook build docs/book
BUG=None
Change-Id: If1d6e295b6d5a639f728f5de0df73de094399166
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2982861
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Tested-by: Dennis Kempin <denniskempin@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
