docs: add README and CI workflow

Author: root

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - run: python -m compileall .

README.md

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+# OMR Grader
+
+Automated answer sheet grading system using computer vision with OpenCV.
+
+[![CI](https://github.com/Tabasiarash/omr-grader/actions/workflows/ci.yml/badge.svg)](https://github.com/Tabasiarash/omr-grader/actions)
+
+## Overview
+
+Python-based OMR (Optical Mark Recognition) system that grades filled answer sheets by detecting and analyzing bubble marks using image processing techniques.
+
+## Features
+
+- Automatic answer sheet alignment and perspective correction
+- Bubble detection and mark recognition
+- Answer key comparison and scoring
+- Android app version included
+
+## Requirements
+
+- OpenCV (cv2)
+- NumPy
+- Python 3.10+
+
+## Files
+
+- `Azmunyar OMR Grader.py` — Main grading script
+- `Grader On Android.zip` — Android application package
+- `GraderTest.jpg` / `Tested.jpg` — Sample test images
+
+## Usage
+
+```bash
+python Azmunyar\ OMR\ Grader.py
+```
+
+## License
+
+MIT