Nebula Python client v3.0.0

What's Changed

Features:

• support cypher parameter by @czpmango in #187
• Support duration type by @Aiee in #194
• Support user-defined logger by @HarrisChu in #186

Others:

• Update package version to v3 by @Aiee in #195
• Improve the installation instruction by @greyli in #152
• Enhance the requirements setup and add a basic contributing guide by @greyli in #175

New Contributors

• @jsoref made their first contribution in #172

Full Changelog: v2.5.0...v3.0.0