chore: release 1.0.0 (#95)
chore: release 1.0.0 (#95)

* updated CHANGELOG.md

* updated package.json

* updated samples/package.json

* switch to ga, which we're exporting now

* docs: regenerate README to reflect GA

GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples