feat: rebrand Hemmelig to paste.es for cloudhost.es

- Set Spanish as default language with ephemeral/encrypted privacy focus
- Translate all user-facing strings and legal pages to Spanish
- Replace Norwegian flag with Spanish flag in footer
- Remove Hemmelig/terces.cloud links, add cloudhost.es sponsorship
- Rewrite PrivacyPage: zero data collection, ephemeral design emphasis
- Rewrite TermsPage: Spanish law, RGPD, paste.es/CloudHost.es references
- Update PWA manifest, HTML meta tags, package.json branding
- Rename webhook headers to X-Paste-Event / X-Paste-Signature
- Update API docs title and contact to paste.es / cloudhost.es

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

tailwind.config.js

@@ -0,0 +1,41 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+    content: ['./index.html', './src/**/*.{js,ts,jsx,tsx}'],
+    darkMode: 'class',
+    theme: {
+        extend: {
+            colors: {
+                dark: {
+                    900: '#0a0a0a',
+                    800: '#111111',
+                    700: '#1a1a1a',
+                    600: '#222222',
+                    500: '#2a2a2a',
+                },
+                light: {
+                    900: '#ffffff',
+                    800: '#f8fafc',
+                    700: '#f1f5f9',
+                    600: '#e2e8f0',
+                    500: '#cbd5e1',
+                },
+            },
+            screens: {
+                xs: '475px',
+            },
+            animation: {
+                pulse: 'pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite',
+            },
+            backgroundImage: {
+                'grid-pattern':
+                    'radial-gradient(circle at 1px 1px, rgba(255,255,255,0.15) 1px, transparent 0)',
+                'grid-pattern-light':
+                    'radial-gradient(circle at 1px 1px, rgba(0,0,0,0.1) 1px, transparent 0)',
+            },
+            backgroundSize: {
+                grid: '20px 20px',
+            },
+        },
+    },
+    plugins: [require('@tailwindcss/typography')],
+};