Release 2.1.0

• Merge pull request #172 from oceanprotocol/feature/search_for_compute_resources (76715af)
• Merge pull request #173 from oceanprotocol/feature/fallback_multiple_rpc (64ad79d)
• Merge pull request #174 from oceanprotocol/feature/fix_download_for_ddov5 (2d9bee4)
• fix review comments (db3526c)
• fix ddo v5 download (1dd6b30)
• fix review comments (09a8c3c)
• fix (2ec7fec)
• fixes (d20f84e)
• increase sleep timeout (e5713ee)
• multiple rpcs (ce1fcda)
• fix comments (4c584c7)
• use latest barge (f465b4d)
• search for compute resources (8bddd03)