Niagara and Metasound nodes WIP

* Keep track of entities

* Fix renaming

* Niagara variables wip

* Several niagara decode and test

* Move nodeTemplate code to dedicated file, self node added

* Move node decoding functions to dedicated files

* Move pin decoding logic to dedicated files

* Accept space separated keys in objects

* Build

* Prevent a crash in case of incomplete object

* Avoid creating objects unnecessarily

* types formatting

* Initial metasound style

* Common pcg nodes colors

* Fix string serialization

* Metasound new styles and fixes

* More metasound styles and colors

* WIP

* Several fixes

* More tests and fixes

* Clean gitignore

js/entity/PinReferenceEntity.js

@@ -15,9 +15,9 @@ export default class PinReferenceEntity extends IEntity {
 
     static createGrammar() {
         return Parsernostrum.seq(
-            PathSymbolEntity.createGrammar(),
+            PathSymbolEntity.grammar,
             Parsernostrum.whitespace,
-            GuidEntity.createGrammar()
+            GuidEntity.grammar
         ).map(
             ([objectName, _1, pinGuid]) => new this({
                 objectName: objectName,