Simplify build system: replace Vite with esbuild, consolidate configs

.gitignore

@@ -1,5 +1,3 @@
 node_modules/
-dist/
-dist-renderer/
 *.log
 .DS_Store

README.md

@@ -1,6 +1,6 @@
 # Thyme ⏱️
 
-A Windows desktop application for time recording and tracking. Built with TypeScript, React, and Electron.
+A simple desktop application for time recording and tracking. Built with Electron following the official tutorial structure.
 
 ## Features
 
@@ -9,7 +9,6 @@ A Windows desktop application for time recording and tracking. Built with TypeSc
 - 🔧 **GitHub Integration**: Link time entries to specific GitHub issues (e.g., owner/repo#123)
 - 📊 **Daily & Total Summary**: View your time tracked today and overall
 - 💾 **Local Data Storage**: All data is stored locally on your machine
-- 🎨 **Modern UI**: Dark theme with GitHub-inspired design
 
 ## Installation
 
@@ -18,7 +17,7 @@ A Windows desktop application for time recording and tracking. Built with TypeSc
 - Node.js (v20 or higher)
 - npm (v10 or higher)
 
-### Development
+### Setup
 
 1. Clone the repository:
 ```bash
@@ -31,31 +30,24 @@ cd thyme
 npm install
 ```
 
-3. Build the Electron main process:
-```bash
-npm run build:main
-```
-
-4. Start the development server:
-```bash
-npm run dev:renderer
-```
-
-5. In a separate terminal, start the Electron app:
+3. Run the app:
 ```bash
 npm start
 ```
 
-### Building for Windows
+That's it! No build step needed - just run it directly.
 
-To create a Windows installer:
+## Project Structure
 
-```bash
-npm run build
-npm run package
-```
+Following the [Electron "Building your First App" tutorial](https://www.electronjs.org/docs/latest/tutorial/tutorial-first-app):
 
-The installer will be created in the `release` directory.
+```
+thyme/
+├── main.js       # Main process (Node.js)
+├── preload.js    # Preload script
+├── index.html    # Renderer (HTML + inline JavaScript)
+└── package.json  # Single dependency: electron
+```
 
 ## Usage
 
@@ -65,23 +57,20 @@ The installer will be created in the `release` directory.
 4. **Start Timer**: Click "Start Timer" to begin tracking
 5. **Stop Timer**: When done, click "Stop Timer" to save the entry
 
-All time entries are automatically saved and will appear in the right panel with:
-- Category and description
-- GitHub issue (if provided)
-- Start time and duration
-- Delete option
+All time entries are automatically saved and will appear in the right panel.
 
 ## Data Storage
 
-Time entries are stored locally in your user data directory:
+Time entries are stored locally in:
 - Windows: `%APPDATA%\thyme\timeEntries.json`
+- macOS: `~/Library/Application Support/thyme/timeEntries.json`
+- Linux: `~/.config/thyme/timeEntries.json`
 
 ## Technology Stack
 
-- **Electron**: Desktop application framework
-- **React**: UI library
-- **TypeScript**: Type-safe JavaScript
-- **Vite**: Build tool and dev server
+- **Electron**: Desktop application framework (only dependency!)
+- **Vanilla JavaScript**: No frameworks, no build step
+- **HTML/CSS**: Simple, standard web technologies
 
 ## License