Make sample compile with newest version

Author: MichalLytek

sample/sample1-simple-usage/app.ts

@@ -6,14 +6,12 @@ import {Post} from "./entity/Post";
 
 useContainer(Container);
 createConnection({
-    driver: {
-        type: "postgres",
-        host: "localhost",
-        port: 5432,
-        username: "test",
-        password: "admin",
-        database: "test"
-    },
+    type: "postgres",
+    host: "localhost",
+    port: 5432,
+    username: "test",
+    password: "admin",
+    database: "test",
     entities: [
         __dirname + "/entity/*.js"
     ],

sample/sample1-simple-usage/entity/Post.ts

@@ -1,9 +1,9 @@
-import {Table, PrimaryColumn, Column} from "typeorm";
+import {Entity, PrimaryGeneratedColumn, Column} from "typeorm";
 
-@Table()
+@Entity()
 export class Post {
 
-    @PrimaryColumn("int", { generated: true })
+    @PrimaryGeneratedColumn()
     id: number;
 
     @Column()