Add Circle CI questions

In addition to a couple of k8s questions.

topics/circleci/README.md

@@ -0,0 +1,44 @@
+# Circle CI
+
+## Circle CI Questions
+
+### Circle CI 101
+
+<details>
+<summary>What is Circle CI?</summary><br><b>
+
+[Circle CI](https://circleci.com): "CircleCI is a continuous integration and continuous delivery platform that can be used to implement DevOps practices."
+</b></details>
+
+<details>
+<summary>What are some benefits of Circle CI?</summary><br><b>
+
+[Circle CI Docs](https://circleci.com/docs/about-circleci): "SSH into any job to debug your build issues.
+Set up parallelism in your .circleci/config.yml file to run jobs faster.
+Configure caching with two simple keys to reuse data from previous jobs in your workflow.
+Configure self-hosted runners for unique platform support.
+Access Arm resources for the machine executor.
+Use orbs, reusable packages of configuration, to integrate with third parties.
+Use pre-built Docker images in a variety of languages.
+Use the API
+ to retrieve information about jobs and workflows.
+Use the CLI to access advanced tools locally.
+Get flaky test detection with test insights."
+</b></details>
+
+
+<details>
+<summary>What is an Orb?</summary><br><b>
+
+[Circle CI Docs](https://circleci.com/developer/orbs): "Orbs are shareable packages of CircleCI configuration you can use to simplify your builds" 
+
+They can come from the public registry or defined privately as part of an organization.
+</b></details>
+
+### Circle CI Hands-On 101
+
+<details>
+<summary>Where (in what location in the project) Circle CI pipelines are defined?</summary><br><b>
+
+`.circleci/config.yml`
+</b></details>