Fix: replace non-existent apps with real templates, fix 500 errors on old doc paths

- AppShowcase: Removed 7 non-existent apps (Kaleidescape, Synology Photos, Homelabs, DockSTARTer, Unraid, TrueNAS, New Relic), added 50+ real app templates that exist in code
- Updated template count from 76+ to 92+ across all pages
- Fixed test count from 1400+ to 775+ (actual count)
- Added mod_rewrite fallback for old doc path redirects (fixes 500 errors)
- Added caching, compression, and proper error handling in .htaccess

src/app/pricing/page.tsx

@@ -36,7 +36,7 @@ export default function PricingPage() {
 
   const coreFeatures = [
     'Dashboard & real-time service monitoring',
-    '76+ pre-configured app templates',
+    '92+ pre-configured app templates',
     'Automatic SSL via Caddy internal CA',
     'DNS automation via Technitium DNS',
     'Reverse proxy management + Caddyfile-as-Code',
@@ -78,7 +78,7 @@ export default function PricingPage() {
     },
     {
       question: 'Can I use DashCaddy without Premium?',
-      answer: 'Absolutely. The core platform is fully functional without a license — including AI commands, the Security Center, service discovery, monitoring, backup, and all 76+ app templates. Premium unlocks SSO, Recipes, Swarm orchestration, and Fleet Management for advanced multi-node setups.',
+      answer: 'Absolutely. The core platform is fully functional without a license — including AI commands, the Security Center, service discovery, monitoring, backup, and all 92+ app templates. Premium unlocks SSO, Recipes, Swarm orchestration, and Fleet Management for advanced multi-node setups.',
     },
     {
       question: 'How many machines can I activate?',
@@ -110,7 +110,7 @@ export default function PricingPage() {
             Simple, Transparent <span className="text-brand-400">Pricing</span>
           </h1>
           <p className="text-xl text-surface-300 mb-8 max-w-2xl mx-auto">
-            The core platform is completely free — including AI commands, Security Center, and all 76+ app templates. Premium unlocks advanced orchestration with a one-time payment.
+            The core platform is completely free — including AI commands, Security Center, and all 92+ app templates. Premium unlocks advanced orchestration with a one-time payment.
           </p>
         </div>
       </section>