meta: Improve readme

README.md

@@ -1,2 +1,63 @@
+<div align="center">
+
+  <img src="images/vendetta_logo.png" alt="Vendetta logo" width="200px" style="border-radius: 50%" />
+  
   # Vendetta Manager
+
   Easily install Vendetta on Android
+
+  [![Latest release](https://img.shields.io/github/v/release/vendetta-mod/VendettaManager?color=3AB8BA&display_name=release&label=Latest&style=for-the-badge)](https://github.com/vendetta-mod/VendettaManager/releases/latest)
+  
+  ---
+
+  <br>
+
+  ![Debug build status](https://img.shields.io/github/actions/workflow/status/vendetta-mod/VendettaManager/build-debug.yml?label=Debug%20Build&logo=github&style=for-the-badge&branch=main)
+  [![Stars](https://img.shields.io/github/stars/vendetta-mod/VendettaManager?logo=github&style=for-the-badge)](https://github.com/vendetta-mod/VendettaManager/stargazers)
+  [![Discord](https://img.shields.io/discord/1015931589865246730?logo=discord&logoColor=white&style=for-the-badge)](https://discord.gg/n9QQ4XhhJP)
+  
+  <br>
+  
+  ![GitHub code size in bytes](https://img.shields.io/github/languages/code-size/vendetta-mod/VendettaManager?logo=github&logoColor=%23fff&style=for-the-badge)
+  ![Line count](https://img.shields.io/tokei/lines/github/vendetta-mod/VendettaManager?logo=github&logoColor=%23fff&style=for-the-badge)
+  ![GitHub top language](https://img.shields.io/github/languages/top/vendetta-mod/VendettaManager?style=for-the-badge)
+
+  <br>
+
+  <img src="images/screenshot_home.png" width="200px">
+  
+</div>
+
+Build
+---
+
+#### Prerequisites
+  - [Git](https://git-scm.com/downloads)
+  - [JDK 17](https://www.oracle.com/java/technologies/javase/jdk11-archive-downloads.html)
+  - [Android SDK](https://developer.android.com/studio)
+
+#### Instructions
+
+1. Clone the repo
+    - `git clone https://github.com/vendetta-mod/VendettaManager.git && cd VendettaManager`
+2. Build the project
+    - Linux: `chmod +x ./gradlew && gradlew assembleDebug`
+    - Windows: `./gradlew assembleDebug`
+3. Install on device
+    - [Enable usb debugging](https://developer.android.com/studio/debug/dev-options) and plug in your phone
+    - Run `adb install app/build/outputs/apk/debug/app-debug.apk`
+
+## Contributing
+
+This is an open-source project, you can do so without any programming.
+
+Here are a few things you can do:
+
+- [Test and report issues](https://github.com/vendetta-mod/VendettaManager/issues/new/choose)
+- [Translate the app into your language](https://crowdin.com/project/vendetta-manager)
+    
+License
+---
+Vendetta is licensed under the Open Software License version 3.0
+
+[![License: OSL v3](https://img.shields.io/badge/License-OSL%20v3-blue.svg?style=for-the-badge)](https://github.com/vendetta-mod/VendettaManager/blob/main/LICENSE)