init prisma and migrate sns to prisma

prisma/schema.prisma

@@ -0,0 +1,49 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = ":memory:"
+}
+
+model Attribute {
+  id    Int    @id @default(autoincrement())
+  arn   String
+  name  String
+  value String
+
+  @@index([arn])
+}
+
+model Audit {
+  id        String   @id
+  createdAt DateTime @default(now())
+  action    String?
+  request   String?
+  response  String?
+}
+
+model SnsTopic {
+  name      String @id
+  accountId String
+  region    String
+}
+
+model SnsTopicSubscription {
+  id        String  @id
+  topicArn  String
+  endpoint  String?
+  protocol  String
+  accountId String
+  region    String
+}
+
+model Tag {
+  id    Int    @id @default(autoincrement())
+  arn   String
+  name  String
+  value String
+
+  @@index([arn])
+}