feat: [academy] Docker 명령어 페이지 추가

- Docker 기본 확인/컨테이너 제어/진입&실행/로그/Compose/볼륨&네트워크/트러블슈팅/위험명령어 8개 섹션
- SAM 전용 docker exec 패턴 표 포함
- 용어집 23개 항목 추가

app/Http/Controllers/AcademyController.php

@@ -53,6 +53,15 @@ public function dockerEnvironment(Request $request): View|Response
         return view('academy.docker-environment');
     }
 
+    public function dockerCommands(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('academy.docker-commands'));
+        }
+
+        return view('academy.docker-commands');
+    }
+
     public function webBasics(Request $request): View|Response
     {
         if ($request->header('HX-Request')) {