Updated workflow and README.md badge.

Author: nthnn

.github/workflows/nasm_build.yml

@@ -0,0 +1,29 @@
+name: OS Build
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '20.8.0'
+
+      - name: Install nasm
+        run: sudo apt-get install -y nasm
+
+      - name: Install mtools
+        run: sudo apt-get install -y mtools
+
+      - name: Install DOS-FS tools
+        run: sudo apt-get install -y dosfstools
+
+      - name: Build OS image
+        run: npm run build
+
+      - name: Clean up build
+        run: npm run clean

.github/workflows/os_build.yml

@@ -1,6 +1,6 @@
 # Zync OS: Nothing Operating System
 
-![NASM Build](https://github.com/nthnn/Zync-OS/actions/workflows/nasm_build.yml/badge.svg)
+![OS Build](https://github.com/nthnn/Zync-OS/actions/workflows/os_build.yml/badge.svg)
 ![GitHub repo size](https://img.shields.io/github/repo-size/nthnn/Zync-OS?logo=git&label=Repository%20Size)
 
 Zync OS is a mock-up bootloader and kernel-only dummy operating system. It has a very basic boring shell.