Add eslintrc

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Make run-eslint.sh executable

Signed-off-by: Julius Härtl <jus@bitgrid.net>

run-eslint.sh

@@ -8,4 +8,8 @@ if [ -z "$ESLINT" ]; then
 fi
 
 echo Checking scripts with $ESLINT ...
-find -name "*.js" -print0 | xargs -0 $ESLINT
+find -name "*.js" -not -path '*js/node_modules*' \
+    -not -path '*l10n/*' \
+    -not -path '*js/vendor*' \
+    -not -path '*js/tests*' \
+    -print0 | xargs -0 $ESLINT --quiet