feat: update makefile and readme

Makefile

@@ -1,6 +1,11 @@
 BIN_DIR := ./bin
 APP_NAME := backblaze-backup
 
+
+.PHONY: local_run
+local_run:
+	go run ./cmd/main.go --dir "$(DIR)" --bucket "$(BUCKET)"
+
 .PHONY: build_windows
 build_windows:
 	@mkdir -p $(BIN_DIR)

Readme.md

@@ -45,6 +45,14 @@ Or if you want to upload a single file:
 ./bin/backblaze-backup --bucket "your-bucket-name" --file "/path/to/file"
 ```
 
+You can also use the **`local_run`** command in the Makefile to run the application with a test directory and bucket:
+
+```bash
+make local_run DIR="/home/user/test-upload" BUCKET="my-test-bucket"
+```
+
+This will run the application with the directory **/home/user/test-upload** and the bucket **my-test-bucket**.
+
 ## Flags
 
     --bucket: The name of your Backblaze bucket