Update LICENSE (#546)
Update LICENSE (#546)

As requested in b/70893145, any repository that is expected to be Apache 2.0 should have the exact license file from Apache with no modifications.
GoogleCloudPlatform/nodejs-docs-samples,JustinBeckwith/nodejs-docs-samples,JustinBeckwith/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,JustinBeckwith/nodejs-docs-samples