added event collector

src-tauri/prisma/migrations/20230410071123_add_chat/migration.sql

@@ -0,0 +1,12 @@
+-- CreateTable
+CREATE TABLE "Chat" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "pubkey" TEXT NOT NULL,
+    "createdAt" INTEGER NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Chat_pubkey_key" ON "Chat"("pubkey");
+
+-- CreateIndex
+CREATE INDEX "Chat_pubkey_idx" ON "Chat"("pubkey");