feat(pricing,types): price list API + price calculations with price lists (#5498)

**what:**

**PriceList Service APIs:**

- createPriceList
- updatePriceList
- addPriceListPrices
- removePriceListRules
- setPriceListRules
- deletePriceList
- listPriceLists
- listAndCountPriceLists

**Price Calculations**

- Returns prices with price list prices
- Returns a new shape with calculated and original prices


Co-authored-by: Philip Korsholm <88927411+pKorsholm@users.noreply.github.com>

packages/utils/src/common/array-difference.ts

@@ -0,0 +1,15 @@
+type ArrayDifferenceElement = string | number
+
+export function arrayDifference(
+  mainArray: ArrayDifferenceElement[],
+  differingArray: ArrayDifferenceElement[]
+): ArrayDifferenceElement[] {
+  const mainArraySet = new Set(mainArray)
+  const differingArraySet = new Set(differingArray)
+
+  const difference = [...mainArraySet].filter(
+    (element) => !differingArraySet.has(element)
+  )
+
+  return difference
+}

packages/utils/src/common/index.ts

@@ -1,6 +1,9 @@
+export * from "./array-difference"
 export * from "./build-query"
+export * from "./camel-to-snake-case"
 export * from "./container"
 export * from "./deduplicate"
+export * from "./deep-equal-obj"
 export * from "./errors"
 export * from "./generate-entity-id"
 export * from "./get-config-file"
@@ -24,11 +27,9 @@ export * from "./set-metadata"
 export * from "./simple-hash"
 export * from "./string-to-select-relation-object"
 export * from "./stringify-circular"
-export * from "./camel-to-snake-case"
 export * from "./to-camel-case"
 export * from "./to-kebab-case"
 export * from "./to-pascal-case"
 export * from "./transaction"
 export * from "./upper-case-first"
 export * from "./wrap-handler"
-export * from "./deep-equal-obj"