[mod] add stylelint process to target themes.simple

Before build, do lint the LESS files using stylelint [1].  The configuration
'stylelint-config-standard' [2] is added to the root of the simple theme [3].

[1] https://stylelint.io/
[2] https://github.com/stylelint/stylelint-config-standard
[3] https://stylelint.io/user-guide/configure

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/searx/static/themes/simple/.stylelintrc.json b/searx/static/themes/simple/.stylelintrc.json
new file mode 100644
index 000000000..40db42c66
--- /dev/null
+++ b/searx/static/themes/simple/.stylelintrc.json
@@ -0,0 +1,3 @@
+{
+  "extends": "stylelint-config-standard"
+}