udpate links

Author: BinaryConstruct

src/App.tsx

@@ -518,19 +518,26 @@ export default function App() {
     <div className="app">
       <aside className="sidebar">
         <div className="titlebar">
-          <h1>BinaryConstruct Skybox Editor<span className="tagline">Free procedural stellar skybox editor</span></h1>
-          <span className="icon-links">
-            <a href="https://github.com/BinaryConstruct/skyboxeditor" target="_blank" rel="noreferrer" title="Source on GitHub" aria-label="GitHub">
+          <h1>BinaryConstruct Skybox Editor<span className="tagline">Free procedural stellar skybox editor</span></h1>
+          <span className="icon-links">
+            <a href="https://github.com/BinaryConstruct/skyboxeditor/blob/main/Docs/Instructions/USAGE.md" target="_blank" rel="noreferrer" title="Usage guide" aria-label="Help and usage guide">
+              <svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+                <circle cx="12" cy="12" r="9" />
+                <path d="M9.7 9a2.4 2.4 0 1 1 3.9 1.9c-.9.7-1.6 1.2-1.6 2.6" />
+                <path d="M12 17h.01" />
+              </svg>
+            </a>
+            <a href="https://github.com/BinaryConstruct/skyboxeditor" target="_blank" rel="noreferrer" title="Source on GitHub" aria-label="GitHub">
               <svg viewBox="0 0 16 16" width="18" height="18" fill="currentColor" aria-hidden="true">
                 <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27s1.36.09 2 .27c1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.01 8.01 0 0 0 16 8c0-4.42-3.58-8-8-8Z" />
               </svg>
             </a>
-            <a href="https://patreon.com/binaryconstruct" target="_blank" rel="noreferrer" title="Support on Patreon" aria-label="Patreon">
-              <svg viewBox="0 0 24 24" width="18" height="18" fill="currentColor" aria-hidden="true">
-                <path d="M14.82 2.41c-3.96 0-7.18 3.22-7.18 7.18 0 3.94 3.22 7.15 7.18 7.15 3.94 0 7.15-3.21 7.15-7.15 0-3.96-3.21-7.18-7.15-7.18M2.03 21.6h3.5V2.41h-3.5Z" />
-              </svg>
-            </a>
-          </span>
+            <a href="https://patreon.com/binaryconstruct" target="_blank" rel="noreferrer" title="Support on Patreon" aria-label="Patreon">
+              <svg viewBox="0 0 24 24" width="18" height="18" fill="currentColor" aria-hidden="true">
+                <path d="M14.82 2.41c-3.96 0-7.18 3.22-7.18 7.18 0 3.94 3.22 7.15 7.18 7.15 3.94 0 7.15-3.21 7.15-7.15 0-3.96-3.21-7.18-7.15-7.18M2.03 21.6h3.5V2.41h-3.5Z" />
+              </svg>
+            </a>
+          </span>
         </div>
 
         <div className="file-row">