Add coolui test

Coolui v3 test/.browserslistrc

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+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+last 1 Chrome version
+last 1 Firefox version
+last 1 Edge major versions
+last 2 Safari major versions
+last 2 iOS major versions