Added copy functionality in solutions page (#32)

Added copy button to solution code blocks

- Implement copy to clipboard functionality in SolutionSection component
- Add visual feedback when code is copied ("Copy" changes to "Copied!")
- Auto-reset copy state after 2 seconds
- Position button in top-right corner with hover effects
- Maintain existing component functionality

credits to @bhaumikmaan

Author: bhaumikmaan

src/_pages/Solutions.tsx

@@ -48,41 +48,60 @@ const SolutionSection = ({
   content: React.ReactNode
   isLoading: boolean
   currentLanguage: string
-}) => (
-  <div className="space-y-2">
-    <h2 className="text-[13px] font-medium text-white tracking-wide">
-      {title}
-    </h2>
-    {isLoading ? (
-      <div className="space-y-1.5">
-        <div className="mt-4 flex">
-          <p className="text-xs bg-gradient-to-r from-gray-300 via-gray-100 to-gray-300 bg-clip-text text-transparent animate-pulse">
-            Loading solutions...
-          </p>
+}) => {
+  const [copied, setCopied] = useState(false)
+
+  const copyToClipboard = () => {
+    if (typeof content === "string") {
+      navigator.clipboard.writeText(content).then(() => {
+        setCopied(true)
+        setTimeout(() => setCopied(false), 2000)
+      })
+    }
+  }
+
+  return (
+    <div className="space-y-2 relative">
+      <h2 className="text-[13px] font-medium text-white tracking-wide">
+        {title}
+      </h2>
+      {isLoading ? (
+        <div className="space-y-1.5">
+          <div className="mt-4 flex">
+            <p className="text-xs bg-gradient-to-r from-gray-300 via-gray-100 to-gray-300 bg-clip-text text-transparent animate-pulse">
+              Loading solutions...
+            </p>
+          </div>
         </div>
-      </div>
-    ) : (
-      <div className="w-full">
-        <SyntaxHighlighter
-          showLineNumbers
-          language={currentLanguage == "golang" ? "go" : currentLanguage}
-          style={dracula}
-          customStyle={{
-            maxWidth: "100%",
-            margin: 0,
-            padding: "1rem",
-            whiteSpace: "pre-wrap",
-            wordBreak: "break-all",
-            backgroundColor: "rgba(22, 27, 34, 0.5)"
-          }}
-          wrapLongLines={true}
-        >
-          {content as string}
-        </SyntaxHighlighter>
-      </div>
-    )}
-  </div>
-)
+      ) : (
+        <div className="w-full relative">
+          <button
+            onClick={copyToClipboard}
+            className="absolute top-2 right-2 text-xs text-white bg-white/10 hover:bg-white/20 rounded px-2 py-1 transition"
+          >
+            {copied ? "Copied!" : "Copy"}
+          </button>
+          <SyntaxHighlighter
+            showLineNumbers
+            language={currentLanguage == "golang" ? "go" : currentLanguage}
+            style={dracula}
+            customStyle={{
+              maxWidth: "100%",
+              margin: 0,
+              padding: "1rem",
+              whiteSpace: "pre-wrap",
+              wordBreak: "break-all",
+              backgroundColor: "rgba(22, 27, 34, 0.5)"
+            }}
+            wrapLongLines={true}
+          >
+            {content as string}
+          </SyntaxHighlighter>
+        </div>
+      )}
+    </div>
+  )
+}
 
 export const ComplexitySection = ({
   timeComplexity,