doc: add ./ prefix for clarity

Author: coolaj86

README.md

@@ -35,8 +35,8 @@ Compile from source for FreeBSD, OpenBSD, etc.
 ```sh
 b_triplet='x86_64-linux-musl'
 curl -L -O https://github.com/coolaj86/zig-uuidv7/releases/download/v1.0.0/uuidv7-v1.0.0-"$b_triplet".tar.gz
-tar xvf uuidv7-v1.0.0-"$b_triplet".tar.gz
-mv uuidv7 ~/bin/
+tar xvf ./uuidv7-v1.0.0-"$b_triplet".tar.gz
+mv ./uuidv7 ~/bin/
 ```
 
 # UUIDv7 Spec