MyOrder, order transitionState and replicate cart/order

• implement my order service
• implement transition state action on order repository
• implement /cart/replicate to replicate carts and orders

Customer Sign In

• customer sign me in functionality

customer change email and reset password

• added customer changeEmail action
• added customer createa password reset token action

payment actions and external_id on category

• implement changeTransactionState action on payment
• implement transitionState action on payment
• add external_id attribute on category
• fix broken import for my-customer service

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.