impl + button links to ui/files/path/to/pid/RANDOM_UUID

spike/review/reinvent/ezmded/ui/templates/_filetree.ctmpl

@@ -39,7 +39,8 @@
 		const title=id ? branch.Leaf.Title : "ROOT"
 		return `
 			<a style="flex-grow: 1;" href="${href}"><button style="width: 100%; text-align: left; outline: none;">${title}</button></a>
-			<button>+</button>
+			<!-- TODO -->
+			<a href="${href}/${crypto.randomUUID().split("-")[0]}"><button>+</button></a>
 		`
 	}
 	function branchesHTML(id, branches) {