feat: initial conversion to TinyMCE 6

Author: matdave

.babelrc

@@ -0,0 +1,6 @@
+{
+    "plugins": ["add-module-exports"],
+    "presets": [
+        ["@babel/preset-env", { "targets": "> 0.25%, not dead" }]
+      ]
+}

.gitignore

@@ -31,3 +31,7 @@ nbproject
 ehthumbs.db
 Thumbs.db
 node_modules
+
+# Packages #
+############
+_packages

.nvmrc

@@ -0,0 +1 @@
+20

_build/config.json

@@ -23,7 +23,7 @@
     "systemSettings": [
       {
         "key": "plugins",
-        "value": "autoresize advlist autolink lists charmap print preview anchor visualblocks searchreplace code fullscreen insertdatetime media table paste modxlink modximage modai",
+        "value": "advlist autolink lists charmap preview anchor visualblocks searchreplace code fullscreen insertdatetime media table image modxlink modai",
         "area": "tinymcerte.default"
       },
       {
@@ -82,7 +82,7 @@
       },
       {
         "key": "skin",
-        "value": "modx",
+        "value": "oxide",
         "area": "tinymcerte.default"
       },
       {
@@ -126,7 +126,7 @@
       },
       {
         "key": "toolbar1",
-        "value": "undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image | modai_generate modai_enhance",
+        "value": "undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | modxlink image",
         "area": "tinymcerte.toolbar"
       },
       {