Fix(read-me): add gif instruction

Author: cpa-coder

README.md

@@ -12,13 +12,22 @@ VAT Relief Generator is an open source windows application to simplify the proce
 * One-click generation of VAT relief files
 
 ## Usage
-1. Download the latest stable release from the release page.
+1. Download the latest stable release from the [Releases](https://github.com/cpa-coder/vat-relief/releases) page.
+
 2. Download a excel template directly from the application or from [here](https://github.com/cpa-coder/vat-relief/blob/main/DebitExpress.VatRelief/template.xltx).
+   <img alt="" src="./assets/step2.gif">
+
 3. Fill in the data in the template. Make sure to read the instruction carefully to properly fill-out the downloaded template.
+   <img alt="" src="./assets/step3.gif">
+
 4. Drag and drop the template to the application.
-5. Click the generate button to generate the VAT relief files.
-6. The generated files will be saved in the same directory as the template.
-7. Validate the generated files using the [BIR Relief v2.3](https://www.bir.gov.ph/index.php/downloadables.html#relief) which includes validation tool.
+   <img alt="" src="./assets/step4.gif">
+
+5. Click the generate button to generate the VAT relief files. The generated files will be saved in the same directory as the template.
+   <img alt="" src="./assets/step5.gif">
+
+6. Validate the generated files using the [BIR Relief v2.3](https://www.bir.gov.ph/index.php/downloadables.html#relief) which includes validation tool.
+   <img alt="" src="./assets/step6.gif">
 
 ## License
 VAT Relief Generator is licensed under the [MIT License](https://github.com/cpa-coder/vat-relief/blob/main/LICENSE).