chore: fix spelling, removing initial snapshot so first time users wi…

[phch]

…ll be able to see integration tests run

Issue #, if available: n/a

Description of changes:

• remove snapshot so first time users will see integration test run
• make some minor edits to readme, spelling

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[phch]

cdk-integ-tests-sample@0.1.0 integ-test integ-runner --directory ./integ-tests --parallel-regions us-east-1 --update-on-failed

Verifying integration test snapshots...

NEW integ.sns-sqs-ddb 2.959s

Snapshot Results:

Tests: 1 failed, 1 total

Running integration tests for failed tests...

Running in parallel across regions: us-east-1 Running test /Volumes/workplace/blog-posts/cdk-integ-tests-sample/integ-tests/integ.sns-sqs-ddb.js in us-east-1 SUCCESS integ.sns-sqs-ddb-DataFlowTest/DefaultTest 372.465s AssertionResultsAwsApiCallDynamoDBgetItem - success

Test Results:

Tests: 1 passed, 1 total