Fix FAQ file case for include

Author: crandmck

docs/trustmark-faq.mdx

@@ -47,6 +47,6 @@ hide_table_of_contents: true
   - [Is TrustMark compatible with blockchain technology?](#is-trustmark-compatible-with-blockchain-technology)
   - [Can TrustMark be used for NFT provenance?](#can-trustmark-be-used-for-nft-provenance)
 
-import Faq from './trustmark/faq.md';
+import Faq from './trustmark/FAQ.md';
 
 <Faq name="faq" />