Add jump plugin, which allows you to easily jump around the file system

plugins/jump/jump.plugin.zsh

+# Easily jump around the file system by manually adding marks
+# marks are stored as symbolic links in the directory $MARKPATH (default $HOME/.marks)
+#
+# jump FOO: jump to a mark named FOO
+# mark FOO: create a mark named FOO
+# unmark FOO: delete a mark
+# marks: lists all marks
+#
+export MARKPATH=$HOME/.marks
+function jump { 
+	cd -P $MARKPATH/$1 2>/dev/null || echo "No such mark: $1"
+}
+function mark { 
+	mkdir -p $MARKPATH; ln -s $(pwd) $MARKPATH/$1
+}
+function unmark { 
+	rm -i $MARKPATH/$1 
+}
+function marks {
+	ls -l $MARKPATH | sed 's/  / /g' | cut -d' ' -f9- | sed 's/ -/\t-/g' && echo
+}