added .gitignore to remove binaries and build folders

ProblemOne/bin/Debug/ProblemOne.exe.config

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
-    </startup>
-</configuration>

ProblemOne/obj/Debug/ProblemOne.csproj.CoreCompileInputs.cache

@@ -1 +0,0 @@
-32b0cee30476cf404bcb931ca8435e90f1b2fd77

ProblemOne/obj/Debug/ProblemOne.csproj.FileListAbsolute.txt

@@ -1,7 +0,0 @@
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\bin\Debug\ProblemOne.exe.config
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\bin\Debug\ProblemOne.exe
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\bin\Debug\ProblemOne.pdb
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\obj\Debug\ProblemOne.csprojAssemblyReference.cache
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\obj\Debug\ProblemOne.csproj.CoreCompileInputs.cache
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\obj\Debug\ProblemOne.exe
-C:\Users\grodriguez\source\repos\AdventOfCode\2019\ProblemOne\ProblemOne\obj\Debug\ProblemOne.pdb