newsapi 2.0.0

Use the NewsApi v2 service in Dart. The library has a clear return structure and an easy-to-use API.

[2.0.0]

• migrated to null safety
• update dependencies
• remove NewsApi.init()

[1.0.9]

• fix dependencies problem (#2)
• update dependencies

[1.0.8]

• fix bug
• solve score problem

[1.0.7]

• solve score problem

[1.0.6]

• update dependencies
• solve score problem

[1.0.5]

• update dependencies

[1.0.4]

• update version to README.md

[1.0.3]

• fix analyzer errors
• upgrade package

[1.0.2]

• organizing a library package

[1.0.1]

• refactor test

[1.0.0]

• add an example

[0.0.1]

• init project