feat(reader): add reader to UnitOfMeasure

app/src/main/kotlin/reader/ProductReader.kt

@@ -5,6 +5,7 @@ import manager.CollectionManager
 import model.Product
 import reader.CoordinatesReader
 import reader.OrganizationReader
+import reader.UnitOfMeasureReader
 import java.time.ZonedDateTime
 import java.util.LinkedList
 import kotlin.text.toLong
@@ -21,7 +22,7 @@ class ProductReader(
                 coordinates = CoordinatesReader(io).read(),
                 creationDate = ZonedDateTime.now(),
                 price = io.readLong("введите цену"),
-                unitOfMeasure = null,
+                unitOfMeasure = UnitOfMeasureReader(io).read(),
                 organization = OrganizationReader(io).read(),
             )
         return newProduct

app/src/main/kotlin/reader/UnitOfMeasureReader.kt

@@ -0,0 +1,18 @@
+package reader
+
+import io.IOHandler
+import model.UnitOfMeasure
+
+class UnitOfMeasureReader(
+    private val io: IOHandler,
+) {
+    fun read(): UnitOfMeasure? {
+        io.println("выберите нужную единицу измерения или ничего не пишите")
+        for (values in UnitOfMeasure.values()) {
+            io.println(values.toString())
+        }
+        val input = io.readLine()
+        if (input.isNullOrBlank()) return null
+        return UnitOfMeasure.valueOf(input.uppercase())
+    }
+}