v44

• Add Alias feature (#89)

  import useSWR from 'https://esm.sh/swr?alias=react:preact/compat'

  in combination with ?deps:

  import useSWR from 'https://esm.sh/swr?alias=react:preact/compat&deps=preact@10.5.14'

  The origin idea was came from @lucacasonato.
• Add node build target (#84)
• Check exports field to get entry point in package.json
• Run cjs-lexer as a server
• Upgrade esbuild to 0.11.18 with es2021 build target
• Bugfixs for #90, #85, #83, #77, #65, #48, #41.