readme: add copyright line
CC-BY-SA requires attribution, but we were missing an attribution
line.
Include comments in grammar
This also fixes the fact that whitespace characters and newlines were
not allowed by the grammar at the beginning of the file.
Signed-off-by: Hannes Braun <hannes@hannesbraun.net>
tools: add tools section and tree-sitter link
Add a tools section and a link to tree-sitter-scfg.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Simplify directive-params in specification
Add scfg-rs, a rust scfg parser
Add link to C implementation
Adding Python module to parse scfg files.
Make it clear nothing's final yet
Move implementations section up