message: docs: improve the redoc cli README
  Break some long lines
  Add some articles (the, a)
  Add a couple links for additional context
  Expand the SSR acronym
  Describe what --watch does
diff: **[ReDoc](https://github.com/Redocly/redoc)'s Command Line Interface**
  ## Installation
  -You can use redoc cli by installing `redoc-cli` globally or using [npx](https://medium.com/@maybekatz/introducing-npx-an-npm-package-runner-55f7d4bd282b).
  +
  +You can use `redoc-cli` by installing [the package](https://www.npmjs.com/package/redoc-cli) globally,
  +or using [npx](https://medium.com/@maybekatz/introducing-npx-an-npm-package-runner-55f7d4bd282b).
  ## Usage
  -Two following commands are available:
  +The two following commands are available:
  -- `redoc-cli serve [spec]` - starts the server with `spec` rendered with ReDoc. Supports SSR mode (`--ssr`) and can watch the spec (`--watch`)
  -- `redoc-cli bundle [spec]` - bundles spec and ReDoc into **zero-dependency** HTML file.
  +- `redoc-cli serve [spec]` - starts the server with `spec` rendered with ReDoc.
  + Supports a server-side rendering mode (`--ssr`),
  + and can watch the spec (`--watch`) to automatically reload the page whenever it changes.
  +- `redoc-cli bundle [spec]` - bundles `spec` and ReDoc into a **zero-dependency** HTML file.
  Some examples:
  -- Bundle with main color changed to `orange`: <br> `$ redoc-cli bundle [spec] --options.theme.colors.primary.main=orange`
  -- Serve with `nativeScrollbars` option set to true: <br> `$ redoc-cli serve [spec] --options.nativeScrollbars`
  -- Bundle using custom template (check [default template](https://github.com/Redocly/redoc/blob/master/cli/template.hbs) for reference): <br> `$ redoc-cli bundle [spec] -t custom.hbs`
  -- Bundle using custom template and add custom `templateOptions`: <br> `$ redoc-cli bundle [spec] -t custom.hbs --templateOptions.metaDescription "Page meta description"`
  -
  -For more details run `redoc-cli --help`.
  +- Bundle with the main color changed to `orange`:<br/>
  + `$ redoc-cli bundle [spec] --options.theme.colors.primary.main=orange`
  +- Serve with the `nativeScrollbars` option set to true:<br/>
  + `$ redoc-cli serve [spec] --options.nativeScrollbars`
  +- Bundle using a custom [Handlebars](https://handlebarsjs.com/) template
  + (check the [default template](https://github.com/Redocly/redoc/blob/master/cli/template.hbs) for an example):<br/>
  + `$ redoc-cli bundle [spec] -t custom.hbs`
  +- Bundle using a custom template and add custom `templateOptions`:<br/>
  + `$ redoc-cli bundle [spec] -t custom.hbs --templateOptions.metaDescription "Page meta description"`
  +
  +For more details, run `redoc-cli --help`.
  