Added build and dist directories to .gitignore.
Added build and dist directories to .gitignore.

renshawbay/pika-python3,fkarb/pika-python3,jstnlef/pika,hugoxia/pika,vitaly-krugl/pika,shinji-s/pika,Tarsbot/pika,benjamin9999/pika,vrtsystems/pika,Zephor5/pika,pika/pika,knowsis/pika,reddec/pika,zixiliuyue/pika,skftn/pika