Add proper quick intro doc

docs/intro.md

@@ -1,13 +1,54 @@
 ---
+title: Introduction
 sidebar_position: 1
 ---
 
 # Introduction
 
 Let's discover **TypeGraphQL Prisma in less than 3 minutes**.
 
+## What it is?
+
+The [`typegraphql-prisma` package](https://www.npmjs.com/package/typegraphql-prisma) provides a [TypeGraphQL](https://typegraphql.com) integration with Prisma.
+
+It generates the type classes and CRUD resolvers based on the Prisma schema, so you can execute complex queries or mutations that corresponds to the Prisma actions, without having to write any code for that.
+
 ## Getting Started
 
-:::tip
-Docs under construction. Please come back later!
-:::
+To make use of the prisma integration, first you need to add a new generator to the `schema.prisma` file:
+
+```prisma
+generator typegraphql {
+  provider = "typegraphql-prisma"
+}
+```
+
+Then, after running `prisma generate` you can import the generated resolvers classes and use them to build your GraphQL schema:
+
+```typescript
+import { resolvers } from "@generated/type-graphql";
+
+const schema = await buildSchema({
+  resolvers,
+  validate: false,
+});
+```
+
+When you expose that schema over the HTTP, following the [bootstrap guide](https://typegraphql.com/docs/bootstrap.html#create-an-http-graphql-endpoint), you will be able to execute such complex query, that talks with the real database, in just a few minutes!
+
+```graphql
+query GetSomeUsers {
+  users(where: { email: { contains: "prisma" } }, orderBy: { name: desc }) {
+    id
+    name
+    email
+    posts(take: 10, orderBy: { updatedAt: desc }) {
+      published
+      title
+      content
+    }
+  }
+}
+```
+
+Sounds really easy and quick to setup, doesn't it? 😉