chore: move committed third-party deps to lib (#3973)

lib/bootstrap.php

@@ -18,9 +18,9 @@ $files = [
     __DIR__ . '/../lib/url.php',
     __DIR__ . '/../lib/seotags.php',
     // Vendor
-    __DIR__ . '/../vendor/parsedown/Parsedown.php',
-    __DIR__ . '/../vendor/php-urljoin/src/urljoin.php',
-    __DIR__ . '/../vendor/simplehtmldom/simple_html_dom.php',
+    __DIR__ . '/../lib/parsedown/Parsedown.php',
+    __DIR__ . '/../lib/php-urljoin/src/urljoin.php',
+    __DIR__ . '/../lib/simplehtmldom/simple_html_dom.php',
 ];
 foreach ($files as $file) {
     require_once $file;

phpcs.xml

@@ -8,6 +8,9 @@
 
   <exclude-pattern>./static</exclude-pattern>
   <exclude-pattern>./vendor</exclude-pattern>
+  <exclude-pattern>./lib/parsedown</exclude-pattern>
+  <exclude-pattern>./lib/php-urljoin</exclude-pattern>
+  <exclude-pattern>./lib/simplehtmldom</exclude-pattern>
   <exclude-pattern>./templates</exclude-pattern>
   <exclude-pattern>./config.default.ini.php</exclude-pattern>
   <exclude-pattern>./config.ini.php</exclude-pattern>