Rename shareButton -> copyButton

This is a workaround for some particularly aggressive ad blockers.

Author: Lothrik

index.html

@@ -89,7 +89,7 @@ <h2 class="disabled"><span id="className"></span><span id="pointsLabel"></span><
 			<button id="resetButton" type="button">Reset</button>
 			<button id="saveButton" type="button">Save</button>
 			<button id="reloadButton" type="button">Reload</button>
-			<button id="shareButton" type="button">Share URL</button>
+			<button id="copyButton" type="button">Copy URL</button>
 			<button id="databaseButton" type="button" onclick="window.open('./database/')">Open DB</button>
 		</div>
 	</div>

main.js

@@ -2040,7 +2040,7 @@ function handleReloadButton() {
 		}
 	}
 }
-function handleShareButton() {
+function handleCopyButton() {
 	navigator.clipboard.writeText(window.location.href);
 }
 function onDragStart(event) {
@@ -5506,7 +5506,7 @@ $(document).ready(function() {
 	$("#resetButton").on("click", handleResetButton);
 	$("#saveButton").on("click", handleSaveButton);
 	$("#reloadButton").on("click", handleReloadButton);
-	$("#shareButton").on("click", handleShareButton);
+	$("#copyButton").on("click", handleCopyButton);
 	$("#classSelector").on("change", handleClassSelection);
 	$("#barbarianSelect").on("click", () => $("#classSelector").val("barbarian").change());
 	$("#druidSelect").on("click", () => $("#classSelector").val("druid").change());