Describe --output can be used without equals sign

 Following the format we already follow for curl-options in the README and manpage.

Author: samueloph

README.md

@@ -53,7 +53,7 @@ should be using curl directly if your use case is not covered.
 
   Specify extra options to be passed when invoking curl. May be specified more than once.
 
-* `-o, -O, --output=<PATH>`
+* `-o, -O, --output, --output=<PATH>`
 
   Use the provided output path instead of getting it from the URL. If multiple
   URLs are provided, all files will have the same name with a number appended to

wcurl.1

@@ -73,7 +73,7 @@ By default, \fBwcurl\fR will:
 \fB\-\-curl\-options, \-\-curl\-options=\fI<CURL_OPTIONS>\fR...\fR
 Specify extra options to be passed when invoking curl. May be specified more than once.
 .TP
-\fB\-o, \-O, \-\-output=\fI<PATH>\fR...\fR
+\fB\-o, \-O, \-\-output, \-\-output=\fI<PATH>\fR...\fR
 Use the provided output path instead of getting it from the URL. If multiple
 URLs are provided, all files will have the same name with a number appended to
 the end (curl >= 7.83.0). If this option is provided multiple times, only the