migrating legacy contents

,gitignore

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+# artifacts
+output/
+*.svg

qr.py

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+import qrcode
+import argparse
+import os
+
+def main(input_text, output_filename):
+    # Add .png extension if not present
+    if not output_filename.endswith(".png"):
+        output_filename += ".png"
+
+    # Create a QR code object
+    qr = qrcode.QRCode(
+        version=1,
+        error_correction=qrcode.constants.ERROR_CORRECT_L,
+        box_size=10,
+        border=0,
+    )
+
+    # Add the input data to the QR code object
+    qr.add_data(input_text)
+
+    # Make the QR code
+    qr.make(fit=True)
+
+    # Create an image object to store the generated QR code
+    img = qr.make_image(fill_color="black", back_color="white")
+
+    # Save the QR code image to a file
+    img.save(output_filename)
+
+
+if __name__ == "__main__":
+    # Set up the argument parser
+    parser = argparse.ArgumentParser(description="Generate a QR code from input text.")
+    parser.add_argument("-i", "--input", required=True, help="Text to be embedded in the QR code.")
+    parser.add_argument("-o", "--output", required=True, help="Filename for the output image.")
+
+    # Parse the command-line arguments
+    args = parser.parse_args()
+
+    # Call the main function with the provided arguments
+    main(args.input, args.output)