add AutoCheck and usage of TARGETURI option

remove CheckCmd from docs

documentation/modules/exploit/linux/http/apache_druid_js_rce.md

@@ -6,7 +6,7 @@ Apache Druid versions prior to `v0.20.1`
 
 Apache Druid includes the ability to execute user-provided JavaScript code embedded in
 various types of requests; however, that feature is disabled by default.
-          
+
 In Druid versions prior to `0.20.1`, an authenticated user can send a specially-crafted request
 that both enables the JavaScript code-execution feature and executes the supplied code all
 at once, allowing for code execution on the server with the privileges of the Druid Server process.
@@ -16,7 +16,6 @@ The issue has been fixed in Apache Druid `v0.20.1`
 
 This module has been tested successfully against the following versions:
 
-
 Apache Druid 0.15.1 Debian 9.11 (Linux 3.10.0-957.21.3.el7.x86_64)
 
 Apache Druid 0.16.0-iap8  Ubuntu 16.04 (Linux 3.10.0-957.27.2.el7.x86_64)
@@ -41,6 +40,7 @@ To setup and run:
 `docker run --rm -i -p 8888:8888 fokkodriesprong/docker-druid`
 
 For a manual setup:
+
 * Download a vulnerable version of Apache Druid from [here](https://archive.apache.org/dist/druid/)
 * Extract the downloaded archive
 * Ensure a supported version of Java is installed on the system
@@ -49,13 +49,13 @@ For a manual setup:
 ## Verification Steps
 
 1. Install the application
-1. Start msfconsole
-1. Do: `use exploit/linux/http/apache_druid_js_rce`
-1. Do: `set rhosts <ip>`
-1. Do: `set lhost <ip>`
-1. Do: `set lport/srvport <ip>` if necessary
-1. Do: `run`
-1. You should get a shell.
+2. Start msfconsole
+3. Do: `use exploit/linux/http/apache_druid_js_rce`
+4. Do: `set rhosts <ip>`
+5. Do: `set lhost <ip>`
+6. Do: `set lport/srvport <ip>` if necessary
+7. Do: `run`
+8. You should get a shell.
 
 ## Targets
 
@@ -69,11 +69,9 @@ This executes a Unix command.
 
 ## Options
 
-### CHECKCMD
-
-You can set a customize command to check and get command exec result respond.
-Default is "id"
+### TARGETURI
 
+The base path to the Apache Druid application. This is set to `/` by default.
 
 ## Scenarios