add wsl ssh agent support

.zshrc

@@ -116,4 +116,14 @@ if command -v zoxide > /dev/null ; then
   eval "$(zoxide init zsh)"
 fi
 
+if [[ "$(uname -r)" =~ "microsoft" ]] ; then
+  if [ -z "$(pgrep ssh-agent)" ]; then
+     rm -rf /tmp/ssh-*
+     eval $(ssh-agent -s) > /dev/null
+  else
+     export SSH_AGENT_PID=$(pgrep ssh-agent)
+     export SSH_AUTH_SOCK=$(find /tmp/ssh-* -name "agent.*")
+  fi
+fi
+
 [ -f "$HOME/.zshrc.local" ] && source "$HOME/.zshrc.local"