add class for hugo footer

Created by: flora8984461

To be able to add params to custom footer instead of {{ define footer }} for https://github.com/jakartaee/jakarta.ee/pull/929

It's a combine with https://github.com/EclipseFdn/hugo-solstice-theme/pull/179

Signed-off-by: Yi Liu yi.liu@eclipse-foundation.org

less/_components/footer.less

@@ -15,7 +15,7 @@
// Solstice default footer styles
// author: Christopher Guindon <chris.guindon@eclipse-foundation.org>
-footer#solstice-footer {
+footer#solstice-footer, footer.solstice-footer {
background: @footer-background;
font-family: @font-family-base;
padding-top: @footer-padding-top;