Some dorks (#9)

* Update github-dorks.txt

Add dork in order to find Shodan.io API keys.

* Update github-dorks.txt

Add generic dork focus on config.php files that contains pass string

* Update github-dorks.txt

Search for Unix shadow files

Author: ffr4nz

github-dorks.txt

@@ -52,4 +52,10 @@ filename:prod.exs NOT "prod.secret.exs"
 filename:prod.secret.exs
 filename:configuration.php JConfig password
 filename:config.php dbpasswd
+filename:config.php pass
 path:sites databases password
+shodan_api_key language:python
+shodan_api_key language:shell
+shodan_api_key language:json
+shodan_api_key language:ruby
+filename:shadow path:etc