Add build script and gitignore for settings theme

Build script minifies and base64-encodes the theme for telnet transfer.
Outputs to settings-theme/dist/ (gitignored).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1 @@
+dist/

settings-theme/build.js

@@ -0,0 +1,29 @@
+const fs = require('fs');
+const path = require('path');
+
+const src = path.join(__dirname, 'com.palm.app.settings.js');
+const code = fs.readFileSync(src, 'utf8');
+
+let minified = code
+  .replace(/\/\/[^\n]*/g, '')
+  .replace(/\/\*[\s\S]*?\*\//g, '')
+  .replace(/\n\s*\n/g, '\n')
+  .replace(/^\s+/gm, '')
+  .replace(/\n/g, '')
+  .replace(/  +/g, ' ');
+
+console.log('Original size:', code.length, 'bytes');
+console.log('Minified size:', minified.length, 'bytes');
+
+const outDir = path.join(__dirname, 'dist');
+fs.mkdirSync(outDir, { recursive: true });
+
+const outPath = path.join(outDir, 'com.palm.app.settings.min.js');
+fs.writeFileSync(outPath, minified);
+console.log('Written to:', outPath);
+
+const b64 = Buffer.from(minified).toString('base64');
+const b64Path = path.join(outDir, 'com.palm.app.settings.b64');
+fs.writeFileSync(b64Path, b64);
+console.log('Base64 size:', b64.length, 'bytes');
+console.log('Base64 written to:', b64Path);