docs: add legal entity info to landing footer, terms, and privacy pages

SnapOtter is a product of Chocolate Wafers General Trading Pte. Ltd.
(UEN 202527149C), registered in Singapore. Surfaces company identity
in the footer copyright, a "Who We Are" section on the terms page,
and a "Data Controller" section on the privacy page.

apps/landing/src/app/privacy/page.tsx

@@ -53,6 +53,16 @@ export default function PrivacyPage() {
             </FadeIn>
 
             <div className="mt-16 space-y-12 text-sm leading-relaxed text-muted">
+              <section>
+                <h2 className="text-lg font-semibold text-foreground">Data Controller</h2>
+                <p className="mt-3">
+                  SnapOtter is a product of Chocolate Wafers General Trading Pte. Ltd. (UEN
+                  202527149C), registered in Singapore. References to &quot;we&quot;,
+                  &quot;us&quot;, or &quot;our&quot; in this policy refer to Chocolate Wafers
+                  General Trading Pte. Ltd.
+                </p>
+              </section>
+
               <section>
                 <h2 className="text-lg font-semibold text-foreground">Overview</h2>
                 <p className="mt-3">

apps/landing/src/app/terms/page.tsx

@@ -55,6 +55,16 @@ export default function TermsPage() {
             </FadeIn>
 
             <div className="mt-16 space-y-12 text-sm leading-relaxed text-muted">
+              <section>
+                <h2 className="text-lg font-semibold text-foreground">Who We Are</h2>
+                <p className="mt-3">
+                  SnapOtter is a product of Chocolate Wafers General Trading Pte. Ltd. (UEN
+                  202527149C), an exempt private company registered in Singapore. References to
+                  &quot;we&quot;, &quot;us&quot;, or &quot;our&quot; in these terms refer to
+                  Chocolate Wafers General Trading Pte. Ltd.
+                </p>
+              </section>
+
               <section>
                 <h2 className="text-lg font-semibold text-foreground">Overview</h2>
                 <p className="mt-3">

apps/landing/src/components/footer.tsx

@@ -91,7 +91,11 @@ export function Footer() {
       </div>
 
       <div className="mx-auto mt-12 flex max-w-6xl items-center justify-between border-t border-border pt-8">
-        <p className="text-sm text-muted">&copy; {new Date().getFullYear()} SnapOtter</p>
+        <p className="text-sm text-muted">
+          &copy; {new Date().getFullYear()} Chocolate Wafers General Trading Pte. Ltd. (UEN
+          202527149C). SnapOtter is a product of Chocolate Wafers General Trading Pte. Ltd.,
+          registered in Singapore.
+        </p>
         <a
           href="https://github.com/snapotter-hq/snapotter"
           target="_blank"