Restructure repo

stream/backend/schema.prisma

@@ -1,28 +0,0 @@
-generator client {
-  provider             = "prisma-client-py"
-  interface            = "asyncio"
-  recursive_type_depth = 5
-}
-
-datasource db {
-  provider = "sqlite"
-  url      = "file:./dev.db"
-}
-
-model User {
-  id         String   @id @default(cuid())
-  created_at DateTime @default(now())
-  slack_id   String   @unique
-  name       String
-  stream     Stream?
-}
-
-model Stream {
-  id         String   @id @default(cuid())
-  created_at DateTime @default(now())
-  is_live    Boolean  @default(false)
-  is_focused Boolean  @default(false)
-  key        String   @unique @default(uuid())
-  user       User     @relation(fields: [user_id], references: [id])
-  user_id    String   @unique
-}