revert content anchor

Author: sunnylqm

src/pages/docs/Page.js

@@ -139,6 +139,7 @@ export default class Page extends React.Component {
                 className="nextprevLink"
                 to={{
                   pathname: prev.external || `/docs/${params.version}/${prev.mdlink}.html`,
+                  hash: '#content',
                 }}
                 target={prev.external && '_blank'}
               >
@@ -150,6 +151,7 @@ export default class Page extends React.Component {
                 className="nextprevLink"
                 to={{
                   pathname: next.external || `/docs/${params.version}/${next.mdlink}.html`,
+                  hash: '#content',
                 }}
                 target={next.external && '_blank'}
               >

src/pages/docs/Subjects.js

@@ -35,6 +35,7 @@ export default class Subjects extends React.Component {
                     activeClassName="active"
                     to={{
                       pathname: u.external || `/docs/${this.props.version}/${u.mdlink}.html`,
+                      hash: '#content',
                     }}
                     target={u.external && '_blank'}
                   >