Fix some more broken links (#231)

Author: mellson

docs/about.mdx

@@ -43,26 +43,26 @@ hide_title: true
 
 <ul className="content-boxes">
   <li>
-    <a className="link-box" href="./states">
+    <a className="link-box" href="./docs/states">
       🏁 <strong>Get started</strong> Jump straight into learning how to use
       Stately Studio editor, starting with states.
     </a>
   </li>
   <li>
-    <a className="link-box" href="./studio">
+    <a className="link-box" href="./docs/studio">
       ⬇️ <strong>Stately Studio overview</strong> Find out more about Stately
       Studio’s visual editor and collaborating with your team using Stately
       Studio’s Pro features.
     </a>
   </li>
   <li>
-    <a className="link-box" href="./state-machines-and-statecharts">
+    <a className="link-box" href="./docs/state-machines-and-statecharts">
       🧠 <strong>Learn state machines and statecharts</strong> With our no-code
       introduction.
     </a>
   </li>
   <li>
-    <a className="link-box" href="./xstate">
+    <a className="link-box" href="./docs/xstate">
       💻 <strong>Learn XState</strong> Get started with our JavaScript and
       TypeScript library for state machines and statecharts.
     </a>

versioned_docs/version-4/studio.mdx

@@ -8,7 +8,7 @@ Here you can find all the documentation for the Stately Studio and [XState](/xst
 
 <ul className="content-boxes">
   <li>
-    <a className="link-box" href="docs/xstate-v4/states/intro">
+    <a className="link-box" href="./states/intro">
       🏁 <strong>Get started</strong> Jump straight into learning how to use the
       editor, starting with states.
     </a>
@@ -20,13 +20,13 @@ Here you can find all the documentation for the Stately Studio and [XState](/xst
     </a>
   </li>
   <li>
-    <a className="link-box" href="docs/state-machines-and-statecharts">
+    <a className="link-box" href="./state-machines-and-statecharts">
       🧠 <strong>Learn state machines and statecharts</strong> With our no-code
       introduction.
     </a>
   </li>
   <li>
-    <a className="link-box" href="docs/xstate">
+    <a className="link-box" href="./xstate">
       💻 <strong>Learn XState</strong> Get started with our JavaScript and
       TypeScript library for state machines and statecharts.
     </a>