v.1.3.9-alpha

What's Changed

• Update class structure-Add LICENSE by @formysister in #20
• ethers version upgraded by @formysister in #22
• ??? by @formysister in #23
• ethers static library added by @formysister in #24
• fix: bitcoin lib updated by @formysister in #30
• Sync with main by @formysister in #38
• Merge pull request #38 from formysister/main by @formysister in #39
• Merge pull request #39 from formysister/update-class-structure by @formysister in #40
• Merge pull request #40 from formysister/main by @formysister in #41
• Update class structure by @formysister in #42

Full Changelog: ethereum-beta-test...v.1.3.9-alpha