refactor(v1): fix props for ProjectTitle (#2083)

* v1 website index.js fix props for ProjectTitle

* Update index.js

packages/docusaurus-1.x/examples/basics/pages/en/index.js

@@ -35,10 +35,10 @@ class HomeSplash extends React.Component {
       </div>
     );
 
-    const ProjectTitle = () => (
+    const ProjectTitle = props => (
       <h2 className="projectTitle">
-        {siteConfig.title}
-        <small>{siteConfig.tagline}</small>
+        {props.title}
+        <small>{props.tagline}</small>
       </h2>
     );
 
@@ -62,7 +62,7 @@ class HomeSplash extends React.Component {
       <SplashContainer>
         <Logo img_src={`${baseUrl}img/undraw_monitor.svg`} />
         <div className="inner">
-          <ProjectTitle siteConfig={siteConfig} />
+          <ProjectTitle tagline={siteConfig.tagline} title={siteConfig.title} />
           <PromoSection>
             <Button href="#try">Try It Out</Button>
             <Button href={docUrl('doc1.html')}>Example Link</Button>