- refactor: Move build command to build.sh
  note: this will allow multiple module build entry files

- feat: Add indexify.js script, this will generate moduleName.js files
  note: this is because tsdx.config.js override do not generate js files

- feat: Add tsdx.config.js to generate multiple esm, cjs modules

- refactor: Move index file out from module folders
  refer jaredpalmer/tsdx#175 (comment)

Important note:
Base on the comment tsdx do not support multiple entry