feat: initialize project structure with core components and pages

- Added shared styles for UI components in `src/components/styles.ts`.
- Created configuration constants in `src/lib/config.ts`.
- Implemented date formatting and greeting functions in `src/lib/dates.ts` and corresponding tests in `src/lib/dates.test.ts`.
- Developed incident management functions in `src/lib/incidents.ts` with tests in `src/lib/incidents.test.ts`.
- Established navigation structure in `src/lib/navigation.ts`.
- Seeded demo data for incidents and users in `src/lib/seed.ts`.
- Defined tone classes for UI elements in `src/lib/tones.ts`.
- Created type definitions for incidents and related entities in `src/lib/types.ts`.
- Set up main application entry point in `src/main.tsx`.
- Developed various pages including About, Analytics, Incidents, Locations, Overview, and Report Incident.
- Configured testing setup in `src/test/setup.ts` and TypeScript configurations.
- Integrated Vite for development and testing with appropriate plugins.

playwright.config.ts

@@ -0,0 +1,24 @@
+import { defineConfig, devices } from '@playwright/test'
+
+const port = 4173
+
+export default defineConfig({
+  testDir: './e2e',
+  fullyParallel: true,
+  forbidOnly: !!process.env.CI,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: `http://localhost:${port}`,
+    trace: 'on-first-retry',
+  },
+  projects: [
+    { name: 'desktop', use: { ...devices['Desktop Chrome'] } },
+    { name: 'mobile', use: { ...devices['Pixel 7'] } },
+  ],
+  webServer: {
+    command: `npm run build && npm run preview -- --port ${port} --strictPort`,
+    port,
+    reuseExistingServer: !process.env.CI,
+  },
+})