add example dynamic paramters and di

examples/math-bot/bot.module.ts

@@ -0,0 +1,7 @@
+import { Module } from "../../packages/common/mod.ts";
+import { MathController } from "./math.controller.ts";
+
+@Module({
+  controllers: [MathController],
+})
+export class BotModule {}

examples/math-bot/main.ts

@@ -0,0 +1,9 @@
+import { TeaFactory } from "../../packages/core/factory.ts";
+import { BotModule } from "./bot.module.ts";
+
+function bootstrap() {
+  const bot = TeaFactory.create(BotModule, "BOT_TOKEN");
+  bot.start();
+}
+
+bootstrap();

examples/math-bot/math.controller.ts

@@ -0,0 +1,12 @@
+import { Controller, Hears, Param } from "../../packages/common/mod.ts";
+import { MathService } from "./math.service.ts";
+
+@Controller()
+export class MathController {
+  constructor(private mathService: MathService) {}
+
+  @Hears("{first:number}+{second:number}")
+  sum(@Param("first") first: number, @Param("second") second: number) {
+    return this.mathService.sum(first, second);
+  }
+}

examples/math-bot/math.service.ts

@@ -0,0 +1,8 @@
+import { Injectable } from "../../packages/common/mod.ts";
+
+@Injectable()
+export class MathService {
+  sum(first: number, second: number) {
+    return +first + +second;
+  }
+}