Add social image to Rust post

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

content/posts/simple-tricks-for-faster-rust-programs.md

@@ -5,6 +5,7 @@ slug = "simple-tricks-for-faster-rust-programs"
 tags = ["rust", "dev", "perf"]
 title = "Simple tricks for faster Rust programs"
 description = "Rust programs are pretty fast on their own, but you can slightly augment their performance with some simple tricks."
+socialImage = "uploads/cuddlyferris.webp"
 +++
 
 Rust is _pretty_ fast. Let's get that out of the way. But sometimes, _pretty_ fast is not fast enough.