Add zsh/oh my zsh/w10k

zsh/.oh-my-zsh/plugins/gpg-agent/README.md

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+# gpg-agent
+
+Enables [GPG's gpg-agent](https://www.gnupg.org/documentation/manuals/gnupg/) if it is not running.
+
+To use it, add gpg-agent to the plugins array of your zshrc file:
+```
+plugins=(... gpg-agent)
+```

zsh/.oh-my-zsh/plugins/gpg-agent/gpg-agent.plugin.zsh

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+# Enable gpg-agent if it is not running-
+# --use-standard-socket will work from version 2 upwards
+
+AGENT_SOCK=$(gpgconf --list-dirs | grep agent-socket | cut -d : -f 2)
+
+if [[ ! -S $AGENT_SOCK ]]; then
+  gpg-agent --daemon --use-standard-socket &>/dev/null
+fi
+export GPG_TTY=$TTY
+
+# Set SSH to use gpg-agent if it's enabled
+GNUPGCONFIG="${GNUPGHOME:-"$HOME/.gnupg"}/gpg-agent.conf"
+if [[ -r $GNUPGCONFIG ]] && command grep -q enable-ssh-support "$GNUPGCONFIG"; then
+  export SSH_AUTH_SOCK="$AGENT_SOCK.ssh"
+  unset SSH_AGENT_PID
+fi