Installs each PACKAGE.

Usage:
  v install [PACKAGE...]

If no PACKAGEs, the packages listed in the `v.mod` file are installed instead.

Options:
  --vpm        [Default] Install from vpm
  --git        Install from git repository url
  --hg         Install from mercurial repository url
  --help, -h   Prints the help menu
  --once       Only install the package if it was not previously installed
  -v           Print more details about the performed operation.
  -server-url  When doing network operations, use this vpm server.
               Can be given multiple times.
