[legal-api-links] Load Terms of Use and Privacy Policy from Atomenta API

Terms and Privacy screens now fetch the real PediFoods customer PDFs
from the backend instead of showing static placeholder text. Also
surfaces both links on the Profile screen below the version label,
not just during registration.

Tests/PediFoodsTests/LegalDocumentTests.swift

@@ -0,0 +1,12 @@
+import Testing
+@testable import PediFoods
+
+@Test("Terms URL points to PediFoods customer terms endpoint")
+func termsURL() {
+    #expect(LegalDocument.terms.url.absoluteString == "https://atomenta.com.br/api/public/pedi-foods-customer/terms")
+}
+
+@Test("Privacy policy URL points to PediFoods customer privacy-policy endpoint")
+func privacyPolicyURL() {
+    #expect(LegalDocument.privacyPolicy.url.absoluteString == "https://atomenta.com.br/api/public/pedi-foods-customer/privacy-policy")
+}