[BE] Create microservice to load produtcts

[Eugeniosales]

Description:

Create microsservice to load produtcts from the Products table in DynamoDB. Also, the microsservice needs to make an asynchrounous call to getExchangeRate microservice to display the currency accordingly.

Acceptance criteria:

• Create Product table in DynamoDB
• Add lambda getProducts of Product domain
• Add unit test to business and adapters layer
• Crate Api Gateway and attach to getProducts lambda
• Attach lambda to default VPC and private subnets
• Create public subnet and Internet Gateway to provide internet access
• Create NAT Gateway to public subnet
• Create a route table to private subnets routing to NAT Gateway
• Create a route table to public subnet routing InternetGateway