add support for me customer and shipping methods matching cart

• add /shipping-methods/matching-cart
• add /me

Add support for offset and limit query string

• Add support for offset and limit query string
• Add nodes 16.x to test matrix

ProductProjection search

• product-projection search without filters throws error: Cannot read property 'replace' of undefined
• Implemented support for filter.query in product-projection search

getByKey

fix getByKey with expand when resource not found

MyCarts

Implement /me/carts endpoint to fetch my carts.

Also added additional cart update actions:

• addLineItem
• removeLineItem
• setBillingAddress
• setCountry
• setCustomerEmail
• setCustomField
• setCustomType
• setLocale
• setShippingAddress

getByKey

implement the getByKey function for resources.

product projections and shopping lists

adds product projections
adds shopping lists
updates custom objects
updates readme

v0.5.11

chore: bump ct platform package to 1.16

v0.5.10

feature: my payment service

v0.5.9

1e7842d chore: fix lint warnings
4f046af fix(payment): setCustomField/type actions
3adf4de fix(order): addPayment action
fbbff8a fix(predicates): allow queries where any entry in an array matches