Created launcher to manage the config

Launcher/gen_icon.py

@@ -0,0 +1,31 @@
+import struct, os
+from io import BytesIO
+from PIL import Image
+
+SRC = os.path.join(os.path.dirname(__file__), "holos.png")
+DST = os.path.join(os.path.dirname(__file__), "icon.ico")
+SIZES = [16, 24, 32, 48, 64, 128, 256]
+
+src = Image.open(SRC).convert("RGBA")
+entries = []
+
+for size in SIZES:
+    img = src.resize((size, size), Image.LANCZOS)
+    buf = BytesIO()
+    img.save(buf, format='PNG')
+    data = buf.getvalue()
+    w = size if size < 256 else 0
+    h = size if size < 256 else 0
+    entries.append((w, h, 32, len(data), data))
+
+with open(DST, 'wb') as f:
+    f.write(struct.pack('<HHH', 0, 1, len(SIZES)))
+    dir_offset = 6 + len(SIZES) * 16
+    for entry in entries:
+        f.write(struct.pack('<BBBBHHII',
+            entry[0], entry[1], 0, 0, 1, entry[2], entry[3], dir_offset))
+        dir_offset += entry[3]
+    for entry in entries:
+        f.write(entry[4])
+
+print(f"Created {DST} ({os.path.getsize(DST)} bytes, {len(SIZES)} sizes)")