Revamp branding, UI styling, and HAFAS integration

- Update BRAND_GUIDELINES.md with new melting clock logo concept
- Rebrand UI components with new violet-to-pink gradient color scheme
- Implement HAFAS authentication headers and GET support in route
- Update logo SVGs to match new brand guidelines
- Fix HAFAS time format to exclude millisecond padding
- Update default station to Mödling Bahnhof
- Bump workspace package versions to 1.0.0

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@timetoleave/core",
-  "version": "1.0.0"
+  "version": "1.0.0",
   "private": true,
   "main": "src/index.ts",
   "types": "src/index.ts",

packages/core/src/hafas-time.ts

@@ -110,6 +110,6 @@ export function hafasDateTime(date: Date): { date: string; time: string } {
   const pad = (n: number) => String(n).padStart(2, "0");
   const p = getDateTimeParts(date, "Europe/Vienna");
   const d = `${p.year}${pad(p.month)}${pad(p.day)}`;
-  const t = `${pad(p.hour)}${pad(p.minute)}${pad(p.second)}000`;
+  const t = `${pad(p.hour)}${pad(p.minute)}${pad(p.second)}`;
   return { date: d, time: t };
 }