Solution: Add comments with SPDX license info to source files
* Problem: The write-a-bep page/process is daunting Solution: Make the BEP writing process easier and more approachable * Problem: BEP should be written uppercase Solution: Change bigchaindb/BEPs label names to use uppercase "BEP"
Solution: Replace those links with appropriate links to the BigchainDB Transactions Specs
Solution: Edit & reorg them
