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

.vscode/extensions.json

@@ -1,5 +1,6 @@
 {
     "recommendations": [
-        "runem.lit-plugin"
+        "runem.lit-plugin",
+        "ms-playwright.playwright"
     ]
 }