Add GitHub link

components/Canvas.tsx

@@ -29,6 +29,8 @@ import {
 import ShapePanel from "./toolbar/ShapePanel";
 import TextPanel from "./toolbar/TextPanel";
 import { setStrokeColor, setStrokeWidth } from "@/redux/shapeSlice";
+import { Fab } from "@mui/material";
+import GitHubIcon from "./icons/GitHubIcon";
 
 export interface StageSizeType {
   width: number;
@@ -522,6 +524,25 @@ export default function Canvas() {
         onClose={() => setTextPanelVisible(false)}
         selectedObjectId={selectedObjectId}
       />
+      <Fab
+        size="small"
+        variant="extended"
+        aria-label="Link to GitHub repository of this project"
+        style={{
+          position: "fixed",
+          top: "16px",
+          left: "16px",
+        }}
+        onClick={() =>
+          window.open(
+            "https://github.com/low-earth-orbit/konva-whiteboard",
+            "_blank",
+          )
+        }
+      >
+        <GitHubIcon sx={{ mr: 1 }} />
+        View Source
+      </Fab>
     </>
   );
 }

components/icons/GitHubIcon.tsx

@@ -0,0 +1,16 @@
+import { SvgIcon } from "@mui/material";
+
+export default function GitHubIcon({ ...props }) {
+  return (
+    <SvgIcon viewBox="0 0 98 96" width="24" height="24" sx={props.sx}>
+      <svg width="98" height="96" xmlns="http://www.w3.org/2000/svg">
+        <path
+          fill-rule="evenodd"
+          clip-rule="evenodd"
+          d="M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z"
+          fill="#24292f"
+        />
+      </svg>
+    </SvgIcon>
+  );
+}

components/toolbar/Toolbar.tsx

@@ -10,10 +10,10 @@ import {
 } from "@mui/material";
 
 import { HexColorPicker } from "react-colorful";
-import EraserIcon from "./icons/EraserIcon";
-import DrawIcon from "./icons/DrawIcon";
-import DeleteIcon from "./icons/DeleteIcon";
-import ShapesIcon from "./icons/ShapesIcon";
+import EraserIcon from "../icons/EraserIcon";
+import DrawIcon from "../icons/DrawIcon";
+import DeleteIcon from "../icons/DeleteIcon";
+import ShapesIcon from "../icons/ShapesIcon";
 import {
   Palette,
   LineWeightRounded,
@@ -36,7 +36,7 @@ import {
   undo,
   updateSelectedTool,
 } from "@/redux/canvasSlice";
-import SelectIcon from "./icons/SelectIcon";
+import SelectIcon from "../icons/SelectIcon";
 
 export function LineWeightSliderValueLabel(props: SliderValueLabelProps) {
   const { children, value } = props;