Feature/logo (#172)

* Update logo design.

* Reference (or automatically copy) logos from one central place.

Author: highbyte

resources/images/favicon.ico

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ "$(uname)" != "Darwin" ]]; then
+  echo "Error: This script currently only supports macOS." >&2
+  exit 1
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE="$SCRIPT_DIR/logo.png"
+SOURCE_SIMPLE="$SCRIPT_DIR/logo-simple.png"
+SOURCE_SOLID_BG="$SCRIPT_DIR/logo-solid-bg.png"
+
+if [[ ! -f "$SOURCE" ]]; then
+  echo "Error: Source file not found: $SOURCE" >&2
+  exit 1
+fi
+
+if [[ ! -f "$SOURCE_SIMPLE" ]]; then
+  echo "Error: Source file not found: $SOURCE_SIMPLE" >&2
+  exit 1
+fi
+
+if [[ ! -f "$SOURCE_SOLID_BG" ]]; then
+  echo "Error: Source file not found: $SOURCE_SOLID_BG" >&2
+  exit 1
+fi
+
+generate() {
+  local size="$1"
+  local output="$SCRIPT_DIR/logo-${size}.png"
+  sips --resampleHeightWidth "$size" "$size" "$SOURCE" --out "$output" > /dev/null
+  echo "Generated: logo-${size}.png"
+}
+
+generate 256
+generate 128
+generate 64
+
+# Generate logo-solid-bg variants from logo-solid-bg.png
+for size in 256 128 64; do
+  sips --resampleHeightWidth "$size" "$size" "$SOURCE_SOLID_BG" --out "$SCRIPT_DIR/logo-solid-bg-${size}.png" > /dev/null
+  echo "Generated: logo-solid-bg-${size}.png"
+done
+
+# Generate favicon.png (64x64) from logo-simple.png
+sips --resampleHeightWidth 64 64 "$SOURCE_SIMPLE" --out "$SCRIPT_DIR/favicon.png" > /dev/null
+echo "Generated: favicon.png"
+
+# Generate favicon.ico (64x64) from logo-simple.png
+sips --resampleHeightWidth 64 64 "$SOURCE_SIMPLE" --setProperty format com.microsoft.ico --out "$SCRIPT_DIR/favicon.ico" > /dev/null
+echo "Generated: favicon.ico"