config(env): add ~/.cargo/bin to PATH

Author: mroach

config/zsh/env.zsh

@@ -6,5 +6,8 @@ export PATH=$HOME/.local/bin:/opt/local/bin:/opt/local/sbin:$PATH
 # Go
 export PATH=$PATH:$HOME/go/bin
 
+# Rust
+export PATH=$PATH:$HOME/.cargo/bin
+
 # ejson private keys
 export EJSON_KEYDIR=$HOME/.local/share/ejson/keys