Double colons after Metadata and Notes headings

[melat0nin]

How about double colons after Metadata and Notes as well. One can then search for only metadata or notes. Like this?

[
	{
		"title": "thisIsMyCiteKey2020",
		"children": [
			{
				"string": "Metadata::",
				"heading": 3,
				"children": [
					{
						"string": "Title:: [[Title of Item]]"
					},
					{
						"string": "Author(s):: [[Autho R. One]], [[Autho R. Two]]"
					},
					{
						"string": "Topics:: [[MyTopic]]"
					},
					{
						"string": "Type:: [[Article]]"
					},
					{
						"string": "Date:: 2014"
					},
					{
						"string": "Date added:: [[May 11th, 2020]]"
					},
					{
						"string": "URL:: [url.com](url.com)"
					},
					{
						"string": "Tags:: #[[Tag1]], #[[Tag2]], #[[ZoteroImport]]"
					}
				]
			}
		],
		"edit-time": 1589209899
	}
]

Originally posted by @roam-user in #7 (comment)

[melat0nin]

Implemented here https://github.com/melat0nin/zotero-roam-export/releases/tag/v1.5