feat(cms): enable drafts + autosave for key globals

Enable versions with draft autosave (interval 2000ms, max 20) for
HomePage, GroupVisitsPage, BirthdayPage, TicketsPage, LocationsPage,
BlogIndexPage — editors can now save drafts without publishing.

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

src/globals/BirthdayPage.ts

@@ -7,6 +7,7 @@ export const BirthdayPage: GlobalConfig = {
   label: 'Дні народження — сторінка',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'heroTitle',

src/globals/BlogIndexPage.ts

@@ -7,6 +7,7 @@ export const BlogIndexPage: GlobalConfig = {
   label: 'Блог — список',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'heroTitle',

src/globals/GroupVisitsPage.ts

@@ -7,6 +7,7 @@ export const GroupVisitsPage: GlobalConfig = {
   label: 'Групові відвідування — сторінка',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'heroTitle',

src/globals/HomePage.ts

@@ -6,6 +6,7 @@ export const HomePage: GlobalConfig = {
   slug: 'home-page',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'hero',

src/globals/LocationsPage.ts

@@ -7,6 +7,7 @@ export const LocationsPage: GlobalConfig = {
   label: 'Локації — сторінка',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'heroTitle',

src/globals/TicketsPage.ts

@@ -7,6 +7,7 @@ export const TicketsPage: GlobalConfig = {
   label: 'Квитки — сторінка',
   access: { read: () => true, update: isAdminOrEditor },
   hooks: { afterChange: [revalidateGlobalAfterChange] },
+  versions: { max: 20, drafts: { autosave: { interval: 2000 } } },
   fields: [
     {
       name: 'heroTitle',