Refactor email handling in contact form: Transitioned from PHPMailer to native PHP mail() function, removing Composer dependencies. Updated documentation to reflect changes in email configuration and setup. Enhanced security features including CSRF protection and input validation. Adjusted product pricing and specifications in backend configuration files.

public/.htaccess

@@ -52,15 +52,6 @@
     Deny from all
 </Files>
 
-<Files "composer.json">
-    Order allow,deny
-    Deny from all
-</Files>
-
-<Files "composer.lock">
-    Order allow,deny
-    Deny from all
-</Files>
 
 # Config-Verzeichnis schützen
 <IfModule mod_rewrite.c>
@@ -77,11 +68,6 @@
     RewriteRule ^logs/ - [F,L]
 </IfModule>
 
-# Vendor-Verzeichnis schützen
-<IfModule mod_rewrite.c>
-    RewriteRule ^vendor/ - [F,L]
-</IfModule>
-
 # Cache-Header für statische Dateien
 <IfModule mod_expires.c>
     ExpiresActive On