Add function todo

libs/todo.bash

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+todo() {
+    if [[ ! -f $HOME/.todo ]]; then
+        touch $HOME/.todo
+    fi
+
+    if [[ $# -eq 0 ]]; then
+        cat $HOME/.todo
+    elif [[ "$1" == "-l" ]]; then
+        cat -n $HOME/.todo
+    elif [[ "$1" == "-c" ]]; then
+        echo "" > $HOME/.todo
+    elif [[ "$1" == "-r" ]]; then
+        cat -n $HOME/.todo
+        echo -ne "----------------------------\nType a number to remove: "
+        read NUMBER
+        sed -ie ${NUMBER}d $HOME/.todo
+    else
+        echo "$@" >> $HOME/.todo
+    fi
+}