update plugin skeleton installation - add remove classmap authoritati…

…ve and add psr-4 entry for namespace in src/, add git hooks to automatically rebuild container

src/Composer/PluginSkeletonAction.php

@@ -101,6 +101,11 @@ private static function patchComposerJson(
             unset($composerData['homepage']);
         }
 
+        $composerData['autoload']['psr-4'] = [
+            $namespace.'\\' => 'src/',
+        ];
+        $composerData['autoload']['classmap'] = ['vendor_prefixed'];
+
         if (!empty($authorData)) {
             $composerData['authors'] = [
                 $authorData