refactor: split prisma schemas

prisma/schema/client.prisma

@@ -0,0 +1,28 @@
+enum ClientCapabilities {
+    PeerAPI    @map("peerAPI") // other clients can use the HTTP API to P2P with this client
+    UserStatus @map("userStatus") // this client can report this user's status (playing, online, etc etc)
+}
+
+// References a device
+model Client {
+    id     String @id @default(uuid())
+    userId String
+    user   User   @relation(fields: [userId], references: [id])
+
+    capabilities ClientCapabilities[]
+
+    name          String
+    platform      Platform
+    lastConnected DateTime
+
+    peerAPI ClientPeerAPIConfiguration?
+}
+
+model ClientPeerAPIConfiguration {
+    id String @id @default(uuid())
+
+    clientId String @unique
+    client   Client @relation(fields: [clientId], references: [id])
+
+    endpoints String[]
+}