Run git clone https://github.com/sahilchanglani/go-blockchain.git to install the project.
Create tmp/blocks directory in the root directory.
Run go run main.go to run the app (It will initialize the blockchain with the genesis block).
Run go run main.go add -block {block data} to add the block with the specified data (data could be any string).
Run 'go run main.go print` to print the blockchain.