Align sparkle banners consistently across all RPI scripts

- 4 spaces before sparkle lines
- 3 spaces before logo top line
- 2 spaces before logo body

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

rpi/first-boot-wizard.sh

@@ -45,13 +45,13 @@ gum style \
     --padding "1 2" \
     --margin "1" \
     --align center \
-    ".  *  .   .    *    .   *   .  *   .    *   ." \
+    "    .  *  .   .    *    .   *   .  *   .    *   ." \
     "   ___  _____  ___    ___    _    ___    ___    ___" \
     "  / __||_   _|| __|  / __|  /_\\  / __|  / _ \\  / _ \\" \
     "  \\__ \\  | |  | _|  | (_ | / _ \\ \\__ \\ | (_) || (_) |" \
     "  |___/  |_|  |___|  \\___//_/ \\_\\|___/  \\___/  \\___/" \
     "" \
-    "*    .   *   .    *    .   *   .    *   .   *" \
+    "    *    .   *   .    *    .   *   .    *   .   *" \
     "" \
     "First Boot Wizard"
 
@@ -306,13 +306,13 @@ gum style \
     --padding "1 2" \
     --margin "1" \
     --align center \
-    ".  *  .   .    *    .   *   .  *   .    *   ." \
+    "    .  *  .   .    *    .   *   .  *   .    *   ." \
     "   ___  _____  ___    ___    _    ___    ___    ___" \
     "  / __||_   _|| __|  / __|  /_\\  / __|  / _ \\  / _ \\" \
     "  \\__ \\  | |  | _|  | (_ | / _ \\ \\__ \\ | (_) || (_) |" \
     "  |___/  |_|  |___|  \\___//_/ \\_\\|___/  \\___/  \\___/" \
     "" \
-    "*    .   *   .    *    .   *   .    *   .   *" \
+    "    *    .   *   .    *    .   *   .    *   .   *" \
     "" \
     "Setup Complete!"