refactor: update banner and package for beta release

package.json

@@ -1,7 +1,7 @@
 {
   "name": "sigit",
   "private": true,
-  "version": "0.0.0",
+  "version": "0.0.0-beta",
   "type": "module",
   "homepage": "https://sigit.io/",
   "license": "AGPL-3.0-or-later ",

src/components/AppBar/AppBar.tsx

@@ -133,7 +133,7 @@ export const AppBar = () => {
           <Container>
             <div className={styles.bannerInner}>
               <p className={styles.bannerText}>
-                SIGit is currently Alpha software (available for internal
+                SIGit is currently Beta software (available for user experience
                 testing), use at your own risk!
               </p>
               <Button