update .gitignore to exclude debug folder, ipch folder, and more
update .gitignore to exclude debug folder, ipch folder, and more

Impertatore/codeshow,Impertatore/codeshow,ladyinblack/codeshow,kupala/codeshow,Harsha03/codeshow,mariotristan/codeshow,carloszapata/codeshow,mariotristan/codeshow,kupala/codeshow,kupala/codeshow,codefoster/codeshow,codefoster/codeshow,mariotristan/codeshow,Harsha03/codeshow,Twin86/codeshow,Twin86/codeshow,Impertatore/codeshow,ladyinblack/codeshow,Twin86/codeshow,ladyinblack/codeshow,Harsha03/codeshow,carloszapata/codeshow