add image converter

convert_image.py

@@ -0,0 +1,23 @@
+from PIL import Image
+
+def generate_bitmap(input_path, output_path):
+    # 1. Resize to 90x90
+    img = Image.open(input_path).convert('1').resize((90, 90))
+    width, height = img.size 
+    
+    # Calculate bytes per row (90 pixels needs 12 bytes)
+    bytes_per_row = (width + 7) // 8  
+    bitmap = bytearray(bytes_per_row * height) # 1080 bytes total
+
+    for y in range(height):
+        for x in range(width):
+            if img.getpixel((x, y)) == 0: # 0 is black
+                byte_idx = y * bytes_per_row + (x // 8)
+                bit_idx = 7 - (x % 8)
+                bitmap[byte_idx] |= (1 << bit_idx)
+
+    with open(output_path, "wb") as f:
+        f.write(bitmap)
+        print(f"Created {output_path} with size: {len(bitmap)} bytes")
+
+generate_bitmap("logo.png", "./data/logo.bin")