- Some misc tweaks (#301)

* - Remove molang examples
* - Update has damage because apparently not every value is accepted
* - Add materials enum and adjust entity/attachable accordingly
* - Update damage source list
* - Change to example

---------

Co-authored-by: Daan Verstraten <daanverstraten@hotmail.com>

source/molang/boolean.json

@@ -3,6 +3,6 @@
   "title": "Molang Boolean",
   "description": "The minecraft molang definition that results in a boolean.",
   "anyOf": [{ "type": "string", "minLength": 0 }, { "type": "boolean" }],
-  "examples": [0, "query.variant", "(1.0)", "query.", "variable.=;"],
+  "examples": ["(1.0)", "(0.0)"],
   "defaultSnippets": [{ "label": "New Molang", "body": "$1" }]
 }