feat: Add Formbricks integration, update forms with webhooks, enhance navigation

- Integrate @formbricks/js for future surveys (FormbricksProvider)
- Add WebhookForm component for unified form submission (contact/franchise/membership)
- Update contact form with reason dropdown field
- Update franchise form with new fields: estado, ciudad, socios checkbox
- Update franchise benefits: manuals, training platform, RH system, investment $100k
- Add Contacto link to desktop/mobile nav and footer
- Update membership form to use WebhookForm with membership_id select
- Update hero buttons to use #3E352E color consistently
- Refactor contact/franchise pages to use new hero layout and components
- Add webhook utility (lib/webhook.ts) for parallel submission to test+prod
- Add email receipt hooks to booking endpoints
- Update globals.css with new color variables and navigation styles
- Docker configuration for deployment

lib/webhook.ts

@@ -0,0 +1,37 @@
+export const WEBHOOK_ENDPOINTS = [
+  'https://flows.soul23.cloud/webhook-test/4YZ7RPfo1GT',
+  'https://flows.soul23.cloud/webhook/4YZ7RPfo1GT'
+]
+
+export const getDeviceType = () => {
+  if (typeof window === 'undefined') {
+    return 'unknown'
+  }
+
+  return window.matchMedia('(max-width: 768px)').matches ? 'mobile' : 'desktop'
+}
+
+export const sendWebhookPayload = async (payload: Record<string, string>) => {
+  const results = await Promise.allSettled(
+    WEBHOOK_ENDPOINTS.map(async (endpoint) => {
+      const response = await fetch(endpoint, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(payload)
+      })
+
+      if (!response.ok) {
+        throw new Error('Webhook error')
+      }
+
+      return response
+    })
+  )
+
+  const hasSuccess = results.some((result) => result.status === 'fulfilled')
+  if (!hasSuccess) {
+    throw new Error('No se pudo enviar la solicitud a los webhooks.')
+  }
+}