Iss4 - create a way to attach attach items to armor and weapons (#310)

* add basic drag drop window

* add better field

* make effects copy onto actor on attachment

* make items from inventory draggable

* working drop from inventory

* remove duplication issue

* add attachment only flag and logic

* add weapons to attachables

* remove debug logs

* try to make it drier

* remove unecessary try catch

* remove extra configs

* remove superfluous comments

* remove spurious defenses

* make drier

* remove unecessary code

* deduplicate and simplify

* its a desert

* standardize to be more similar to class item code

* fix bug of duplicate effects being created

* fix localization string

* fix bug of item equiping and un equiping

* remove this since were not going to be using attachmentonly

* update attachment tab with comments

* remove attachment only logic in favor of just transfer

* change flags

* change armor and weapon to be attachableItem

* change armor and weapon to be attachableItem

* change weapon to use mixin

* add mixin to armor

* move everything to mixin sheet

* refactor code for review comments

* cleanup and somehow git is ignoring some changes

* see if this picks up the changes now

* Import/Export updates

---------

Co-authored-by: psitacus <walther.johnson@ucalgary.ca>
Co-authored-by: WBHarry <williambjrklund@gmail.com>

lang/en.json

@@ -389,6 +389,7 @@
                 "default": "Default Ownership"
             }
         },
+        
         "CONFIG": {
             "ActionType": {
                 "passive": "Passive",
@@ -958,6 +959,10 @@
                 "stress": {
                     "name": "Stress"
                 }
+            },
+            "Attachments": {
+                "attachHint": "Drop items here to attach them",
+                "transferHint": "If checked, this effect will be applied to any actor that owns this Effect's parent Item. The effect is always applied if this Item is attached to another one."
             }
         },
         "GENERAL": {
@@ -1093,7 +1098,8 @@
                 "optional": "Optional",
                 "recovery": "Recovery",
                 "setup": "Setup",
-                "equipment": "Equipment"
+                "equipment": "Equipment",
+                "attachments": "Attachments"
             },
             "Tiers": {
                 "singular": "Tier",