feat: prisma schema, groups API, deploy workflow

app/server/api/user/groups.get.ts

@@ -0,0 +1,18 @@
+import { requireAuth } from '~/server/utils/auth'
+import { userGroups, groups } from '~/server/utils/db'
+
+export default defineEventHandler(async (event) => {
+  const user = requireAuth(event)
+  
+  // Get all groups the user is a member of
+  const userGroupMemberships = Array.from(userGroups.values()).filter(
+    membership => membership.userId === user.id
+  )
+  
+  const userGroupsData = userGroupMemberships.map(membership => {
+    const group = groups.get(membership.groupId)
+    return group ? { ...group, membershipRole: membership.role } : null
+  }).filter(Boolean)
+  
+  return { groups: userGroupsData }
+})