make bitcoin value form input box
amending input box length to accomodate for large values
allow users to enter a bicoin value and receive the value in dogecoin
placeholder label when no input or invalid input is entered
amending input values
amending input form length
logic to convert btc to doge
merging develop changes, fixing conflict
Merge pull request #11 from swirlycheetah/bitcoin-to-dogecoin

feature: bitcoin to dogecoin