✨ (theme) Add theme templates

Allows you to save your themes and select a theme from Typebot's gallery

Closes #275

packages/prisma/postgresql/migrations/20230328123237_add_theme_templates/migration.sql

@@ -0,0 +1,17 @@
+-- AlterTable
+ALTER TABLE "Typebot" ADD COLUMN     "selectedThemeTemplateId" TEXT;
+
+-- CreateTable
+CREATE TABLE "ThemeTemplate" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "name" TEXT NOT NULL,
+    "theme" JSONB NOT NULL,
+    "workspaceId" TEXT NOT NULL,
+
+    CONSTRAINT "ThemeTemplate_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "ThemeTemplate" ADD CONSTRAINT "ThemeTemplate_workspaceId_fkey" FOREIGN KEY ("workspaceId") REFERENCES "Workspace"("id") ON DELETE CASCADE ON UPDATE CASCADE;