Add disclaimer again....

This is really killing any motivation I might have had to work on this 
project.

client_src/js/UI.mjs

@@ -67,6 +67,13 @@ class UI {
 					document.querySelector("main").classList.remove("working-visual");
 				}).bind(this)
 			},
+			{
+				type: "button",
+				name: "View disclaimer",
+				callback: ((_event) => {
+					window.open("https://github.com/ConnectedHumber/Air-Quality-Web/tree/dev#disclaimer", "_blank")
+				})
+			},
 			{
 				type: "button",
 				name: "Report bug",