Move ssh-agent to /run/user and add 'nix' to $PATH

Move my ssh-agent.sock to /run/user/<ID>/

Added ~/.nix-profile/bin to ${PATH}

zsh/zshrc

@@ -21,3 +21,11 @@ bindkey '\e.' insert-last-word
 if [[ -f ${ZDOTDIR}/.zaliases ]]; then
 	source ${ZDOTDIR}/.zaliases
 fi
+
+export PATH=${HOME}/.local/bin:${HOME}/.nix-profile/bin:${PATH}
+
+export SSH_AUTH_SOCK=/var/run/user/$(echo $UID)/ssh-agent.sock
+
+if [[ ! $(pidof ssh-agent) ]]; then
+        eval $(ssh-agent -a ${SSH_AUTH_SOCK})
+fi