Add log handler

v2:-Documentation.md

@@ -79,19 +79,20 @@ This page describes how to use Caddy 2, which is a work-in-progress on the [v2 b
 			- [http/servers/handle](#httpservershandle)
 				- Middleware (non-terminating handlers):
 					- [http.handlers.headers](#httphandlersheaders)
+					- [http.handlers.headers](#httphandlerslog)
 					- [http.handlers.rewrite](#httphandlersrewrite)
 					- [http.handlers.markdown](#httphandlersmarkdown)
 					- [http.handlers.authentication](#httphandlersauthentication)
 					- [http.handlers.request_body](#httphandlersrequest_body)
 					- [http.handlers.encode](#httphandlersencode)
 					- [http.handlers.templates](#httphandlerstemplates)
+					- [http.handlers.vars](#httphandlersvars)
 				- Terminating handlers:
 					- [http.handlers.static_response](#httphandlersstatic_response)
 					- [http.handlers.file_server](#httphandlersfile_server)
 					- [http.handlers.reverse_proxy](#httphandlersreverse_proxy)
 					- [http.handlers.subroute](#httphandlerssubroute)
 					- [http.handlers.error](#httphandlerserror)
-					- [http.handlers.vars](#httphandlersvars)
 			- [http/servers/errors](#httpserverserrors)
 			- [http/servers/tls_connection_policies](#httpserverstls_connection_policies)
 				- [tls.certificate_selection.custom](#tlscertificate_selectioncustom)
@@ -1582,9 +1583,23 @@ Response header operations can be conditioned upon response status code and/or o
 - `response.require.headers`: Apply response header changes if the given response headers have the given value(s).
 
 
+##### http.handlers.log
+
+Logs the HTTP request.
+
+```json
+{
+	"handler": "log",
+	"logger_name": ""
+}
+```
+
+- `logger_name`: An optional name to give this logger. By default, each Caddy module has its own logger named the same as its module. This name will be appended to this logger which can be used to differentiate it from other log handlers, which is useful when including or excluding loggers from specific logs you have defined.
+
+
 ##### http.handlers.rewrite
 
-Changes the request's URI or method.
+Changes the request's URI or method. May also optionally issue a redirect for convenience if the URI is changed.
 
 Properties in this module accept placeholders.
 
@@ -1724,6 +1739,18 @@ Interprets the response as a template body, then executes the template and write
 See [all available template actions](https://github.com/caddyserver/caddy/wiki/v2:-Templates).
 
 
+##### http.handlers.vars
+
+Sets variables associated with the request that can be used later with placeholders: `{http.vars.variable_name}`
+
+```json
+{
+	"handler": "vars",
+	"variable_name": "value"
+}
+```
+
+
 ##### http.handlers.static_response
 
 Responds to the request with a static (hard-coded) response. Does not call the next handler in the chain.
@@ -2074,17 +2101,6 @@ Since this handler does not write a response, the error information is for use b
 - `error`: The error message. Optional. Default is no error message.
 
 
-##### http.handlers.vars
-
-Sets variables associated with the request that can be used later with placeholders: `{http.vars.variable_name}`
-
-```json
-{
-	"handler": "vars",
-	"variable_name": "value"
-}
-```
-
 
 #### http/servers/errors