Initial commit: bip-sda project scaffold

Electron + TypeScript project initialized with electron-vite,
electron-builder, ESLint, and Prettier configuration.

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

.prettierrc.yaml

@@ -0,0 +1,4 @@
+singleQuote: true
+semi: false
+printWidth: 100
+trailingComma: none