feat: add sessionToken in AwsConfig input

ci: migrate from travis to github actions

feat: add graphql-compose@9.0.0 to peerDependencies; update other dep…

…endencies

feat: add `graphql-compose@^8.0.0` to peer dependencies and update ot…

…her dependencies

refactor: migrate codebase on typescript

BREAKING CHANGE: removed flowtype definitions; min supported nodejs version is 8

fix: graphql-compose peer dependency & upgrade other dependencies

feat: update to graphql-compose@7.0.0

refactor: due changes in graphql-compose@6.0.1

BREAKING CHANGE: Using API from graphql-compose@6.0.0

ci: fix upath dependencies for proper build on node@10

feat: add mjs build (es6 modules)