docs: add ip connection type

Author: mazzma12

crowdsec-docs/unversioned/cti_api/taxonomy/classifications.mdx

@@ -37,7 +37,7 @@ A summary of the main classification category is provided below, and you can use
 * `proxy:*`: Hosts identified as proxies based on the services they expose and/or their behaviour. IPs be directly consumed inside a specialized blocklist available [here](https://app.crowdsec.net/blocklists/65a56839ec04bcd4f51670be).
 * `group:*`: Cohort of machines seen attacking in a coordinated fashion. IPs belonging to the same cohort or cluster have been seen to exhibit a new behaviour in a synchronised manner, such as starting to exploit a known vulnerability at the same time (experimental feature).
 * `bot:*`: IPs associated with known bots, such as web scrapers, scanners, or other automated tools.
-
+* `connection-type:*`: IPs associated with a specific connection type : data center or residential.
 <TableRender
     columns={columns}
     url={classificationsURL}