Add exploiters explanation

[mssalvatore]

Documentation request

Add a new page 🆕

Add Explanation documentation for each exploiter plugin, as well as exploiters in general. Add the new pages under /features/.

• Exploiters (general)
• Hadoop
• Log4Shell
• MSSQL
• PowerShell (make sure to add details of the order in which credentials are attempted)
• RDP (make sure to add details of the order in which credentials are attempted)
• SMBExec
• SNMP
• SSH
• WMIExec
• Zerologon
• Address Add credentials collectors explanation pages #4240 (comment)