Update and rename ipip-0000.md to ipip-0499.md

Author: mishmosh

src/ipips/ipip-0000.md renamed to src/ipips/ipip-0499.md

@@ -1,7 +1,7 @@
 ---
 # IPIP number should  match its pull request number. After you open a PR,
 # please update title and update the filename to `ipip0000`.
-title: "IPIP-0000: CID Profiles"
+title: "IPIP-0499: CID Profiles"
 date: 2025-04-03
 ipip: proposal
 editors: