move documentation section for http client

docs/configuration/cheatsheet.md

@@ -74,13 +74,6 @@ You shouldn't edit the base config directly to avoid breakages and merge conflic
 
 * `dynamic_configuration`: Allow transferring configuration to DB with the subsequent customization from Admin api.
 
-## :http
-
-* `proxy_url`: an upstream proxy to fetch posts and/or media with, (default: `nil`)
-* `send_user_agent`: should we include a user agent with HTTP requests? (default: `true`)
-* `user_agent`: what user agent should  we use? (default: `:default`), must be string or `:default`
-* `adapter`: array of hackney options
-
 ## Federation
 ### MRF policies
 
@@ -355,7 +348,17 @@ Available caches:
 * `:activity_pub` - activity pub routes (except question activities). Defaults to `nil` (no expiration).
 * `:activity_pub_question` - activity pub routes (question activities). Defaults to `30_000` (30 seconds).
 
-## :hackney_pools
+## HTTP client
+
+### :http
+
+* `proxy_url`: an upstream proxy to fetch posts and/or media with, (default: `nil`)
+* `send_user_agent`: should we include a user agent with HTTP requests? (default: `true`)
+* `user_agent`: what user agent should  we use? (default: `:default`), must be string or `:default`
+* `adapter`: array of hackney options
+
+
+### :hackney_pools
 
 Advanced. Tweaks Hackney (http client) connections pools.