Updated Readme

Author: clittle

layers/README.md

@@ -5,14 +5,14 @@ This folder contains modules and scripts for working with ATT&CK Navigator layer
 #### Core Modules
 | script | description |
 |:-------|:------------|
-| [filter](core/filter.py) | Implements a basic [filter object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#filter-object-properties). |
-| [gradient](core/gradient.py) | Implements a basic [gradient object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#gradient-object-properties). |
+| [filter](core/filter.py) | Implements a basic [filter object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#filter-object-properties). |
+| [gradient](core/gradient.py) | Implements a basic [gradient object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#gradient-object-properties). |
 | [layer](core/layer.py) | Provides an interface for interacting with core module's layer representation. A further breakdown can be found in the corresponding [section](#Layer) below. |
-| [layout](core/layout.py) | Implements a basic [layout object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#layout-object-properties). |
-| [legenditem](core/legenditem.py) | Implements a basic [legenditem object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#legenditem-object-properties). |
-| [metadata](core/metadata.py) | Implements a basic [metadata object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#metadata-object-properties). |
-| [technique](core/technique.py) | Implements a basic [technique object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv3.md#technique-object-properties). |
-| [version](core/versions.py) | Impelments a basic [version object]().|
+| [layout](core/layout.py) | Implements a basic [layout object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#layout-object-properties). |
+| [legenditem](core/legenditem.py) | Implements a basic [legenditem object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#legenditem-object-properties). |
+| [metadata](core/metadata.py) | Implements a basic [metadata object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#metadata-object-properties). |
+| [technique](core/technique.py) | Implements a basic [technique object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#technique-object-properties). |
+| [versions](core/versions.py) | Impelments a basic [versions object](https://github.com/mitre-attack/attack-navigator/blob/develop/layers/LAYERFORMATv4.md#versions-object-properties).|
 #### Manipulator Scripts
 | script | description |
 |:-------|:------------|
@@ -59,7 +59,8 @@ example_layer_dict = {
 example_layer4_dict = {
     "name": "layer v4 example",
     "versions" : {
-        "layer" : "4.0"
+        "layer" : "4.0",
+        "navigator": "4.0"
     },
     "domain": "enterprise-attack"
 }