Add Fantastical Install

mac_os_setup.sh

@@ -109,6 +109,16 @@ function install_1password_cli() {
   fi
 }
 
+function install_fantastical() {
+  if [[ $(find /Applications -name "Fantastical.app" | grep .) ]]
+  then
+    echo "Fantastical already installed..."
+  else
+    echo "Installing Fantastical..."
+    brew install --cask fantastical
+  fi
+}
+
 #############################
 #          MAIN             #
 #############################
@@ -125,4 +135,5 @@ install_hackfont
 install_docker
 install_1password
 install_brave
-install_1password_cli
+install_1password_cli
+install_fantastical