my-projects-website/app/application/routes/web-project.php

<?php

use Illuminate\Support\Facades\Route;

Route::get('/', [\App\Http\Controllers\Site\ProjectsController::class, 'index'])->name('home');
Route::middleware([\App\Http\Middleware\IsProject::class, \App\Http\Middleware\IsWebsiteTranslations::class])->group(function () {
    Route::get('/language/{language}', [\App\Http\Controllers\Site\ProjectsController::class, 'index'])->name('home-language');

    Route::prefix('docs')->group(function () {
        Route::get('/', [\App\Http\Controllers\Site\DocumentationController::class, 'defaultVersion'])->name('documentation');
        Route::get('language/{language}', [\App\Http\Controllers\Site\DocumentationController::class, 'defaultVersion'])->name('documentation-language');

        Route::middleware([\App\Http\Middleware\DocumentationVersion::class])->prefix('{version}')->group(function () {
            Route::get('/', [\App\Http\Controllers\Site\DocumentationController::class, 'index'])->name('documentation.version');
            Route::get('language/{language}', [\App\Http\Controllers\Site\DocumentationController::class, 'index'])->name('documentation.version-language');

            Route::get('category/{slug}', [\App\Http\Controllers\Site\DocumentationController::class, 'category'])->name('documentation.category');
            Route::get('category/{slug}/language/{language}', [\App\Http\Controllers\Site\DocumentationController::class, 'category'])->name('documentation.category-language');

            Route::get('{slug}', [\App\Http\Controllers\Site\DocumentationController::class, 'view'])->name('documentation.view');
            Route::get('{slug}/language/{language}', [\App\Http\Controllers\Site\DocumentationController::class, 'view'])->name('documentation.view-language');
        });
    });

    Route::prefix('feedback')->group(function () {
        Route::get('/', [\App\Http\Controllers\Site\FeedbackController::class, 'index'])->name('feedback');
        Route::get('language/{language}', [\App\Http\Controllers\Site\FeedbackController::class, 'index'])->name('feedback-language');
        Route::post('/', [\App\Http\Controllers\Site\FeedbackController::class, 'send'])->name('feedback.send');
        Route::post('language/{language}', [\App\Http\Controllers\Site\FeedbackController::class, 'send'])->name('feedback.send-language');
    });
});