Update README to include Openwrt branding and improve wording.
Point at the Openwrt wiki in .github templates.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This text is used by GitHub to remind important things to
people sending PRs through the GitHub's web interface.
See here for more information
https://github.com/blog/2111-issue-and-pull-request-templates
It links to the wiki page about submission rules.
Signed-off-by: Alberto Bursi <alberto.bursi@outlook.it>