added readme

Author: charlieScript

.gitignore

@@ -1,3 +1,4 @@
 *.exe
 .exe~
-./go-excel.exe~
+./go-excel.exe~
+C:\Users\MY PC\Desktop\Workspaces\Go\go-excel\go-excel.exe~

README.md

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+# GBEDU
+
+Easily convert Excel/CSV data to JSON format. 
+
+
+## Features
+- Convert Excel (.xlsx) files to JSON format
+- Convert CSV (.csv) files to JSON format
+
+## Installation
+To install GBEDU, download the latest version for your operating system. It is available on Mac, Windows, and Linux.
+Install the `.exe`, `.deb` and `.dmg` files for Windows, Linux and Mac OSes respectively.
+
+## How To Use
+- Select the source file format (Excel/CSV).
+- Check the `Header` button if the first row of the data should be set as header.
+- Select the source file from the file dialog.
+- Copy or download the JSON data.
+
+## Build/Run
+To build or run `GBEDU` locally on your machine, first install [Golanf](https://go.dev/).  
+
+Then:
+1. Clone the repository  
+
+    ```shell
+    git clone https://github.com/charlieScript/go-excelcsv
+    ```
+2. Install dependencies  
+
+    ```shell
+    go install .
+    ```
+3. Run the app  
+
+    ```shell
+    go run .
+    ```  
+
+   or build the app  
+
+    ```shell
+    go build .
+    ```
+
+inspired by: https://github.com/Johnkayode/kodiak