Update writing.rst to note that we're not using variable length encoding

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Disable "html_use_smartypants" in the config as it causes "--" to turn into
"-".
Fix quotes and table spacing in the CLI tool index page.

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Add "scan" CLI command documentation

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Rebuild pages with updates and option changes.

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>