[skip ci] fix: correct create web-plugin command

Author: jdaugherty

grails-doc/src/en/ref/Command Line/help.adoc

@@ -107,7 +107,7 @@ Application generation commands are:
 *  create-webapp NAME
 *  create-restapi NAME
 *  create-plugin NAME
-*  create-webplugin NAME
+*  create-web-plugin NAME
 
 Options:
   -h, --help         Show this help message and exit.

grails-forge/grails-forge-cli/src/main/java/org/grails/forge/cli/Application.java

@@ -40,7 +40,7 @@
         "*  @|bold create-webapp|@ @|yellow NAME|@",
         "*  @|bold create-restapi|@ @|yellow NAME|@",
         "*  @|bold create-plugin|@ @|yellow NAME|@",
-        "*  @|bold create-webplugin|@ @|yellow NAME|@"
+        "*  @|bold create-web-plugin|@ @|yellow NAME|@"
 },
         synopsisHeading = "@|bold,underline Usage:|@ ",
         optionListHeading = "%n@|bold,underline Options:|@%n",