feat: [academy] Git 관리도구 페이지 추가

- 라우트, 컨트롤러 메서드 추가
- git-tools.blade.php 뷰 생성 (violet 테마, 8개 섹션)
- 용어집 git-tools 도메인 20개 용어 추가

routes/web.php

@@ -1492,6 +1492,7 @@
     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');
     Route::get('/git-policy', [\App\Http\Controllers\AcademyController::class, 'gitPolicy'])->name('git-policy');
+    Route::get('/git-tools', [\App\Http\Controllers\AcademyController::class, 'gitTools'])->name('git-tools');
     Route::get('/nginx-encyclopedia', [\App\Http\Controllers\AcademyController::class, 'nginxEncyclopedia'])->name('nginx-encyclopedia');
     Route::get('/linux-commands', [\App\Http\Controllers\AcademyController::class, 'linuxCommands'])->name('linux-commands');
     Route::get('/pm2-guide', [\App\Http\Controllers\AcademyController::class, 'pm2Guide'])->name('pm2-guide');