Move some files to just linux installs

.config/zsh/fzf.zsh##os.Linux

@@ -0,0 +1,13 @@
+# Setup fzf
+# ---------
+if [[ ! "$PATH" == *$HOME/.fzf/bin* ]]; then
+  export PATH="${PATH:+${PATH}:}$HOME/.fzf/bin"
+fi
+
+# Auto-completion
+# ---------------
+[[ $- == *i* ]] && source "$HOME/.fzf/shell/completion.zsh" 2> /dev/null
+
+# Key bindings
+# ------------
+source "$HOME/.fzf/shell/key-bindings.zsh"

.config/zsh/rust.zsh##os.Linux

@@ -0,0 +1 @@
+. $HOME/.cargo/env