+lazy loading to prefixes

Only after loading the 'major' package that the keybind depends on, will
these keybinds be set

doom.d/config.org

@@ -43,6 +43,7 @@ I like monokai :)
                                         ; General maps like <SPC>j for indenting because I don't know what else to bind them to
                                         ; <SPC>pf => project -> find file
  (:prefix "/" ; Search
+   :after counsel
    :desc "Ag!"                "a"     '+ivy/ag
    :desc "FZF!"               "f"     'counsel-fzf
    :desc "RipGrep!"           "r"     'counsel-rg
@@ -54,6 +55,7 @@ I like monokai :)
                                         ; <SPC>// is quicker to do than <SPC>/b, for something that is done so often
 
  (:prefix "w" ; Windows
+   :after ace-window
    :desc "Close window"       "d"     '+workspace/close-window-or-workspace
    :desc "Switch window"      "W"     'ace-window
    :desc "Swap windows"       "S"     'ace-swap-window
@@ -68,6 +70,7 @@ I like monokai :)
                                         ; <SPC>bd is used for the same reasons as above
 
  (:prefix "p"
+   :after projectile
    :desc "Regen tags"         "g"     'projectile-regenerate-tags
    :desc "Open project files" "f"     'projectile-find-file
    )