rename to public, to match Mojolicious defaults

Makefile.am

-SUBDIRS = bin conf lib resources templates
+SUBDIRS = bin conf lib public templates
 
 AM_TESTS_ENVIRONMENT = PERL5LIB='$(srcdir)/lib'; export PERL5LIB;
 TEST_LOG_DRIVER = env AM_TAP_AWK='$(AWK)' $(SHELL) \

resources/Makefile.am → public/Makefile.am

-nobase_www_DATA = \
+appwwwdir = $(pkgdatadir)/public
+
+nobase_appwww_DATA = \
 	css/style.css \
 	css/edugain.css \
 	css/edugain-menu-master.css \
@@ -86,4 +88,4 @@ nobase_www_DATA = \
 	jquery-ui-1.12.1/jquery-ui.min.js \
 	jquery-validation-1.17.0.min.js
 
-EXTRA_DIST = $(nobase_www_DATA)
+EXTRA_DIST = $(nobase_appwww_DATA)