<commit_before># Placeholders
- Placeholders can be used in paths to configuration files or to css and js files

````php
$webLoader->addPathPlaceholders([
    'cssDir' => 'path/to/css/files',
    'jsDir' => 'path/to/js/files',
    'configFiles' => 'path/to/configuration/files'
]);

// Usage
$webloader->createFilesCollectionsFromConfig('%configFiles%/webloader.neon');

$webloader->createCssFilesCollection('core')
    ->setFiles([
        '%cssDir%/style.css'
    ]);
    
$webloader->createJsFilesCollection('core')
    ->setFiles([
        '%jsDir%/script.js'
    ]);
````
<commit_msg>- Updated docs<commit_after># Placeholders
- Placeholders can be used in paths to configuration files or to css and js files

````php
$webLoader->addPathsPlaceholders([
    'cssDir' => 'path/to/css/files',
    'jsDir' => 'path/to/js/files',
    'configFiles' => 'path/to/configuration/files'
]);

// Usage
$webloader->createFilesCollectionsFromConfig('%configFiles%/webloader.neon');

$webloader->createCssFilesCollection('core')
    ->setFiles([
        '%cssDir%/style.css'
    ]);
    
$webloader->createJsFilesCollection('core')
    ->setFiles([
        '%jsDir%/script.js'
    ]);
````

{'fraction_non_alphanumeric': 0.17711864406779662, 'fraction_numerical': 0.0, 'mean_word_length': 3.9208333333333334, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 21, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4851686', 'n_tokens_mistral': 390, 'n_tokens_neox': 401, 'n_words': 68}