Correct some of the more obvious branding

app/javascript/mastodon/features/about/index.jsx

@@ -123,7 +123,7 @@ class About extends PureComponent {
           <div className='about__header'>
             <ServerHeroImage blurhash={server.getIn(['thumbnail', 'blurhash'])} src={server.getIn(['thumbnail', 'url'])} srcSet={server.getIn(['thumbnail', 'versions'])?.map((value, key) => `${value} ${key.replace('@', '')}`).join(', ')} className='about__header__hero' />
             <h1>{isLoading ? <Skeleton width='10ch' /> : server.get('domain')}</h1>
-            <p><FormattedMessage id='about.powered_by' defaultMessage='Decentralized social media powered by {mastodon}' values={{ mastodon: <a href='https://joinmastodon.org' className='about__mail' target='_blank'>Mastodon</a> }} /></p>
+            <p><FormattedMessage id='about.powered_by' defaultMessage='Decentralized social media powered by {mastodon}' values={{ mastodon: <a href='https://chinwag.au' className='about__mail' target='_blank'>Chinwag</a> }} /></p>
           </div>
 
           <div className='about__meta'>

app/javascript/mastodon/locales/en-GB.json

@@ -770,7 +770,7 @@
   "server_banner.server_stats": "Server stats:",
   "sign_in_banner.create_account": "Create account",
   "sign_in_banner.follow_anyone": "Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.",
-  "sign_in_banner.mastodon_is": "Mastodon is the best way to keep up with what's happening.",
+  "sign_in_banner.mastodon_is": "Chinwag is an excellent place for humans to communicate!",
   "sign_in_banner.sign_in": "Sign in",
   "sign_in_banner.sso_redirect": "Login or Register",
   "status.admin_account": "Open moderation interface for @{name}",

app/javascript/mastodon/locales/en.json

@@ -771,7 +771,7 @@
   "server_banner.server_stats": "Server stats:",
   "sign_in_banner.create_account": "Create account",
   "sign_in_banner.follow_anyone": "Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.",
-  "sign_in_banner.mastodon_is": "Mastodon is the best way to keep up with what's happening.",
+  "sign_in_banner.mastodon_is": "Chinwag is an excellent place for humans to communicate!",
   "sign_in_banner.sign_in": "Login",
   "sign_in_banner.sso_redirect": "Login or Register",
   "status.admin_account": "Open moderation interface for @{name}",