add conky app

apps/Conky/description

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+Monitors CPU, RAM, disk usage, and more.
+This sits on your desktop, refreshing once a second, with pretty graphs showing you all you need to know.
+To run: it should autostart on boot.
+To run in a terminal: conky

apps/Conky/install

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+#!/bin/bash
+
+DIRECTORY="$(dirname "$(dirname "$(dirname "$0")")")"
+function error {
+  echo -e "\e[31m$1\e[39m"
+  exit 1
+}
+
+#use the error function often!
+#If a certain command is necessary for installation to continue, then add this to the end of it:
+# || error 'reason'
+#example below:
+wget -O ~/.conkyrc https://raw.githubusercontent.com/Botspot/rpi_conky/master/conkyrc || error 'Failed to download conkyrc!!'
+
+# Get dependencies
+"${DIRECTORY}/pkg-install" "conky" "$(dirname "$0")" || exit 1
+
+mkdir -p ~/.config/autostart
+echo -n '' > ~/.config/autostart/conky.desktop
+echo "[Desktop Entry]
+Name=Conky
+Type=Application
+Exec=bash -c 'sleep 5;conky'
+Terminal=false
+Icon=${DIRECTORY}/apps/Conky/icon-64.png
+Comment=system monitoring tool.
+Categories=Utility;" > ~/.config/autostart/conky.desktop
+
+#run conky
+conky &

apps/Conky/uninstall

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+#!/bin/bash
+
+DIRECTORY="$(dirname "$(dirname "$(dirname "$0")")")"
+function error {
+  echo -e "\e[31m$1\e[39m"
+  exit 1
+}
+
+#if your app installs any packages, keep this command here so those packages will be removed.
+"${DIRECTORY}/purge-installed" "$(dirname "$0")" || exit 1
+
+rm -f ~/.config/autostart/conky.desktop ~/.conkyrc || error "Failed to remove autostart file or .conkyrc!"
+
+killall conky 2>/dev/null

apps/Conky/website

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+https://github.com/Botspot/rpi_conky