How to create a folder and a file in my project root directory

string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

DirectoryInfo directory = new DirectoryInfo(path);

var imagePath = path + @"\MyAppName\Images"

if (!Directory.Exists(imagePath)) 
{   
   DirectoryInfo di = Directory.CreateDirectory(imagePath);
}

string localData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
var imagePath = localData + @"\Images";

if (!Directory.Exists(imagePath)) 
{   
    DirectoryInfo di = Directory.CreateDirectory(imagePath);
}

<IfModule mod_rewrite.c>
Options -Indexes
RewriteEngine on
RewriteBase /Magpie/
RewriteCond $1 !^(index\.php|images|css|js|robots\.txt|favicon\.ico)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ ./index.php/$1 [L,QSA]
</IfModule>

$(Build.SourcesDirectory)/build