Added image upload frontend

scripts/Actions/Upload.ts

@@ -0,0 +1,39 @@
+import { AnimeNotifier } from "../AnimeNotifier"
+
+// Select file
+export function selectFile(arn: AnimeNotifier, button: HTMLButtonElement) {
+	let input = document.createElement("input")
+	let preview = document.getElementById(button.dataset.previewImageId) as HTMLImageElement
+	input.setAttribute("type", "file")
+
+	input.onchange = () => {
+		previewImage(input, preview)
+		uploadImage(input, preview)
+	}
+
+	input.click()
+}
+
+// Preview image
+function previewImage(input: HTMLInputElement, preview: HTMLImageElement) {
+	let file = input.files[0]
+	let reader = new FileReader()
+
+	console.log(file.name, file.size, file.type)
+
+	reader.onloadend = () => {
+		preview.classList.remove("hidden")
+		preview.src = reader.result
+	}
+
+	if(file) {
+		reader.readAsDataURL(file)
+	} else {
+		preview.src = ""
+	}
+}
+
+// Upload image
+function uploadImage(input: HTMLInputElement, preview: HTMLImageElement) {
+
+}