Added toast and copy to clipboard functionality

src/toast.ts

@@ -0,0 +1,14 @@
+export function toast(element: HTMLDivElement, message: string) {
+    // Target our predefined DIV that will hold toast messages.
+    const toastDiv = element.getElementsByClassName('toast')
+ 
+    // If we currently have a toast displayed, let's remove it from the DOM.
+    if (toastDiv && toastDiv.length != 0) {
+        for (const el of toastDiv){
+            el.remove()
+        }
+    }
+    
+    // Finally add our toast message.
+    element.innerHTML += `<div class='toast'>${message}</div>`
+}