Added version text on home screen and bumped version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "owlbear-rodeo",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "private": true,
   "homepage": "https://owlbear.rodeo",
   "dependencies": {

src/routes/Home.js

@@ -37,6 +37,9 @@ function Home() {
         <Button m={2} onClick={handleJoinGame}>
           Join Game
         </Button>
+        <Text variant="caption" sx={{ textAlign: "center" }}>
+          Alpha v0.2.0
+        </Text>
       </Flex>
     </Container>
   );