Create a common clientlib which required across the webpages or page component based clientlib.And keep component specific clientlib separately .And if you want to reuse any existing clientlib then you can embed as well. refer https://github.com/AdobeDocs/experience-manager-cloud-service.en/blob/mai...

Use component level clientlibs 

Refer core component for navigation . https://experienceleague.adobe.com/docs/experience-manager-core-components/using/components/navigation.html?lang=en#example-localization 

Try with archetypeVersion=27

Use sling:resourceType as /libs/granite/ui/components/coral/foundation/form/pathfield

unpack the jar file in crx-quickstart folder .Under that /bin /start.bat

Are you referring to get content pages as AEM data ?Kindly elaborate the use case . 

Check start.bat file config values CQ_JVM_OPTS=-Xmx1024m -XX:MaxPermSize=256MRef: https://stackoverflow.com/questions/59866778/aem-author-instance-is-not-responding  

Kindly refer https://experienceleague.adobe.com/docs/experience-manager-64/managing/managing-further-reference/hardware-sizing-guidelines.html?lang=en#architecture 

Try to comment your vhost file in dispatcher module and re-run it.