add drop index argument

README.md

@@ -9,4 +9,5 @@
 * `composer create-project kvazar/crawler crawler`
 * `cd crawler`
 * `cp example/config.json config.json`
-* `crontab -e`:`* * * * * php kvazar/crawler/src/index.php`
+* `crontab -e`:`* * * * * php kvazar/crawler/src/index.php`
+  * drop index: `php kvazar/crawler/src/index.php drop`

src/index.php

@@ -84,3 +84,27 @@ catch (Exception $exception)
         )
     );
 }
+
+// Init optional commands
+if (isset($argv[1]))
+{
+    switch ($argv[1])
+    {
+        // Drop index request
+        case 'drop':
+
+            $index->drop(
+                true
+            );
+
+            exit(
+                _('Index dropped!')
+            );
+
+        break;
+    }
+}
+
+// Begin crawler
+
+// @TODO