v1.20.0

Features

• add /key-blocks endpoints with txs/mbs count (#892) (1b5f016)
• add /key-blocks/:hash_or_kbi endpoint with mbs/txs count (#895) (b8a2e09)
• add /key-blocks/:hash_or_kbi/micro-blocks endpoint (#896) (0540074)
• add /v2/micro-blocks/:hash endpoint (#898) (2c16e47)
• add /v2/micro-blocks/:hash/txs endpoint (#900) (2312a8a)
• add nft collection stats (#899) (5f5583a)
• create nft ownership based on Mint event (#897) (929e7c5)
• index and fetch nft owners on a collection (#894) (1d06bbf)
• index channels and add active channels endpoint (#889) (d86b1cc)

Miscellaneous

• accept contract param besides contract_id (#903) (af3471f)
• disable phoenix code_reloader by default (#904) (1b21738)