Add workspace category (#661)

* Create a new Workspace command category

* Update readme

Author: st0012

README.md

@@ -84,14 +84,15 @@ Hello World
 
 The following commands are available on IRB. You can get the same output from the `show_cmds` command.
 
-
 ```
-IRB
+Workspace
   cwws           Show the current workspace.
   chws           Change the current workspace to an object.
   workspaces     Show workspaces.
   pushws         Push an object to the workspace stack.
   popws          Pop a workspace from the workspace stack.
+
+IRB
   irb_load       Load a Ruby file.
   irb_require    Require a Ruby file.
   source         Loads a given file in the current session.
@@ -119,6 +120,7 @@ Misc
   measure        `measure` enables the mode to measure processing time. `measure :off` disables it.
 
 Context
+  help           [DEPRECATED] Enter the mode to look up RI documents.
   show_doc       Enter the mode to look up RI documents.
   ls             Show methods, constants, and variables. `-g [query]` or `-G [query]` allows you to filter out the output.
   show_source    Show the source code of a given method or constant.

lib/irb/cmd/chws.rb

@@ -13,7 +13,7 @@ module IRB
   module ExtendCommand
 
     class CurrentWorkingWorkspace < Nop
-      category "IRB"
+      category "Workspace"
       description "Show the current workspace."
 
       def execute(*obj)
@@ -22,7 +22,7 @@ def execute(*obj)
     end
 
     class ChangeWorkspace < Nop
-      category "IRB"
+      category "Workspace"
       description "Change the current workspace to an object."
 
       def execute(*obj)

lib/irb/cmd/pushws.rb

@@ -12,7 +12,7 @@ module IRB
 
   module ExtendCommand
     class Workspaces < Nop
-      category "IRB"
+      category "Workspace"
       description "Show workspaces."
 
       def execute(*obj)
@@ -21,7 +21,7 @@ def execute(*obj)
     end
 
     class PushWorkspace < Workspaces
-      category "IRB"
+      category "Workspace"
       description "Push an object to the workspace stack."
 
       def execute(*obj)
@@ -31,7 +31,7 @@ def execute(*obj)
     end
 
     class PopWorkspace < Workspaces
-      category "IRB"
+      category "Workspace"
       description "Pop a workspace from the workspace stack."
 
       def execute(*obj)