Update documentation

2025/Day1/run.sh

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+#!/bin/bash
+cat full_input | ./Day1_first.lua
+cat full_input | ./Day2_second.lua

2025/Lessons.md

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-Lessons from first day
+# Advent of Code 2025
+
+## Introduction 
+This is mostly so I can keep notes on my progress, in single markdown format so I can easily add it to my Silverbullet journal afterwards.
+
+## Lessons from first day
 
 1. Read! Oh that brain of mine, skipping half the things and missing things like count clicks not end point dial
 2. Setup a proper test, make a smaller input test that you know the answer to to check the code