feat(inversify-site): update next getting started API docs

packages/docs/services/inversify-site/docs/introduction/getting-started.mdx

@@ -3,14 +3,14 @@ sidebar_position: 1
 title: Getting started
 ---
 import CodeBlock from '@theme/CodeBlock';
-import gettingStartedSource from '@inversifyjs/code-examples/generated/examples/gettingStarted.ts.txt';
+import gettingStartedSource from '@inversifyjs/code-examples/generated/examples/v7/gettingStarted.ts.txt';
 
 # Getting started
 
 Start by installing `inversify` and `reflect-metadata`:
 
 ```bash
-npm install inversify reflect-metadata
+npm install inversify@alpha reflect-metadata
 ```
 
 Next, initialize your first container and add some bindings:

packages/docs/tools/inversify-code-examples/src/examples/v7/gettingStarted.int.spec.ts

@@ -0,0 +1,9 @@
+import { describe, expect, it } from '@jest/globals';
+
+import { ninja } from './gettingStarted';
+
+describe('getting started', () => {
+  it('should provide a ninja with a weapon with right damage', () => {
+    expect(ninja.katana.damage).toBe(10);
+  });
+});

packages/docs/tools/inversify-code-examples/src/examples/v7/gettingStarted.ts

@@ -0,0 +1,27 @@
+// Is-inversify-import-example
+import { Container, inject, injectable } from 'inversify7';
+
+@injectable()
+class Katana {
+  public readonly damage: number = 10;
+}
+
+@injectable()
+class Ninja {
+  constructor(
+    @inject(Katana)
+    public readonly katana: Katana,
+  ) {}
+}
+
+const container: Container = new Container();
+
+container.bind(Ninja).toSelf();
+container.bind(Katana).toSelf();
+
+const ninja: Ninja = container.get(Ninja);
+
+console.log(ninja.katana.damage); // Prints 10
+// End-example
+
+export { ninja };