chore: Added postman script and input file

src/main/resources/postman/Inventory Process API.postman_collection.json

+{
+	"info": {
+		"_postman_id": "1211abb8-5cdc-4e2e-a4db-ba9e1fe19677",
+		"name": "Inventory Process API",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "CreateInventoryData",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "formdata",
+					"formdata": [
+						{
+							"key": "files",
+							"type": "file",
+							"src": "/D:/data/inventory_sample.json"
+						}
+					],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "http://localhost:8080/inventory/upload-data",
+					"protocol": "http",
+					"host": [
+						"localhost"
+					],
+					"port": "8080",
+					"path": [
+						"inventory",
+						"upload-data"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "getProcessedInventoryData",
+			"protocolProfileBehavior": {
+				"disableBodyPruning": true
+			},
+			"request": {
+				"method": "GET",
+				"header": [],
+				"body": {
+					"mode": "raw",
+					"raw": "",
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "http://localhost:8080/inventory/get/?batchId=123256572",
+					"protocol": "http",
+					"host": [
+						"localhost"
+					],
+					"port": "8080",
+					"path": [
+						"inventory",
+						"get",
+						""
+					],
+					"query": [
+						{
+							"key": "batchId",
+							"value": "123256572"
+						}
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file