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

routes/web.php

@@ -1487,6 +1487,7 @@
     Route::get('/server-knowledge', [\App\Http\Controllers\AcademyController::class, 'serverKnowledge'])->name('server-knowledge');
     Route::get('/frontend-dev', [\App\Http\Controllers\AcademyController::class, 'frontendDev'])->name('frontend-dev');
     Route::get('/docker-environment', [\App\Http\Controllers\AcademyController::class, 'dockerEnvironment'])->name('docker-environment');
+    Route::get('/docker-commands', [\App\Http\Controllers\AcademyController::class, 'dockerCommands'])->name('docker-commands');
     Route::get('/web-basics', [\App\Http\Controllers\AcademyController::class, 'webBasics'])->name('web-basics');
     Route::get('/backend-dev', [\App\Http\Controllers\AcademyController::class, 'backendDev'])->name('backend-dev');
     Route::get('/env-management', [\App\Http\Controllers\AcademyController::class, 'envManagement'])->name('env-management');