chore: correct command to install boto3

chore: install boto3

chore: fix curl command to download sam cli

Merge branch 'master' of https://github.com/aws-samples/aws-serverless-shopping-cart

chore: stop using pip to install sam cli

chore(deps): bump minimist from 1.2.5 to 1.2.6 in /frontend (#51)

Merge branch 'master' of https://github.com/aws-samples/aws-serverless-shopping-cart

chore: fix amplify builds

chore(deps): bump node-forge from 1.2.1 to 1.3.0 in /frontend (#50)

chore(deps): bump url-parse from 1.5.7 to 1.5.10 in /frontend (#48)

chore(deps): bump url-parse from 1.5.4 to 1.5.7 in /frontend (#47)

chore: correct Readme cleanup section

feat: update readme to use amplify 1-click deployment (#46)

chore(deps): bump follow-redirects from 1.14.7 to 1.14.8 in /frontend (#45)

chore(deps): bump ajv from 6.12.2 to 6.12.6 in /frontend (#44)