chore: update readme.md

README.md

@@ -1 +1,46 @@
-# protogui
+# protogui
+
+**protogui** is a simple and intuitive graphical interface designed to encode and decode Protobuf messages. This tool makes it easy to work with binary messages in the Protocol Buffers format, offering a practical and efficient way to handle such data.
+
+## Features
+
+- **Encode**: Convert structured data into Protobuf binary messages.
+- **Decode**: Transform Protobuf binary messages into readable formats.
+- User-friendly and easy-to-navigate interface.
+
+## Requirements
+
+- [Golang](https://golang.org/) installed on your system (minimum recommended version: 1.18).
+- This tool was developed using the Fyne library, please check prerequisites [here](https://docs.fyne.io/started/) 
+
+
+## Installation
+
+To install the tool, follow these steps:
+
+1. Clone the **protogui** repository:
+    ```bash
+    git clone https://github.com/lawmatsuyama/protogui.git
+    ```
+2. Navigate to the repository's directory:
+    ```bash
+    cd protogui
+    ```
+3. Run the `go install` command to install the tool:
+    ```bash
+    go install
+    ```
+
+Once installed, the **protogui** executable will be available in your `$GOPATH/bin`.
+
+## Usage
+
+1. Open a terminal prompt.
+2. Run the `protogui` command:
+    ```bash
+    protogui
+    ```
+
+The graphical interface will launch, allowing you to quickly encode and decode Protobuf messages.
+
+