Revert "feat: 🙈 Add gitignore"

This reverts commit 88d874bbe0.

Lecture/Exercises/Conversion.cs

@@ -1,16 +0,0 @@
-namespace Lecture.Exercises;
-
-public class Conversion
-{
-    public static int StringToInt(string number)
-    {
-        int res = 0;
-
-        for (int i = 0; i < 6; i++)
-        {
-            res = res * 10 + int.Parse(number[i].ToString());
-        }
-        
-        return res;
-    }
-}

Lecture/Lecture.csproj

@@ -1,10 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <OutputType>Exe</OutputType>
-        <TargetFramework>net7.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-</Project>

Lecture/Program.cs

@@ -1,2 +0,0 @@
-Console.WriteLine(Lecture.Exercises.Conversion.StringToInt("123456"));
-Console.WriteLine(Lecture.Exercises.Conversion.StringToInt("342523"));