Fix typos (#411)

Found via `codespell -L caf,etcp,alle,aks`

topics/cicd/README.md

@@ -7,7 +7,7 @@
 | Set up a CI pipeline | CI | [Exercise](ci_for_open_source_project.md) | | |
 | Deploy to Kubernetes | Deployment | [Exercise](deploy_to_kubernetes.md) | [Solution](solutions/deploy_to_kubernetes/README.md) | |
 | Jenkins - Remove Jobs | Jenkins Scripts | [Exercise](remove_jobs.md) | [Solution](solutions/remove_jobs_solution.groovy) | |
-| Jenkins - Remove Builds | Jenkins Sripts | [Exercise](remove_builds.md) | [Solution](solutions/remove_builds_solution.groovy) | |
+| Jenkins - Remove Builds | Jenkins Scripts | [Exercise](remove_builds.md) | [Solution](solutions/remove_builds_solution.groovy) | |
 
 ### CI/CD Self Assessment
 
@@ -546,7 +546,7 @@ For example, you might configure the workflow to trigger every time a changed is
 </b></details>
 
 <details>
-<summary>True or False? In Github Actions, jobs are executed in parallel by deafult</summary><br><b>
+<summary>True or False? In Github Actions, jobs are executed in parallel by default</summary><br><b>
 
 True
 </b></details>

topics/cicd/deploy_to_kubernetes.md

@@ -1,5 +1,5 @@
 ## Deploy to Kubernetes
 
-* Write a pipeline that will deploy an "hello world" web app to Kubernete 
+* Write a pipeline that will deploy an "hello world" web app to Kubernetes 
 * The CI/CD system (where the pipeline resides) and the Kubernetes cluster should be on separate systems
 * The web app should be accessible remotely and only with HTTPS

topics/cicd/solutions/deploy_to_kubernetes/README.md

@@ -6,7 +6,7 @@ Note: this exercise can be solved in various ways. The solution described here i
 2. Deploy Kubernetes on a remote host (minikube can be an easy way to achieve it)
 3. Create a simple web app or [page](html)
 
-4. Create Kubernetes [resoruces](helloworld.yml) - Deployment, Service and Ingress (for HTTPS access)
+4. Create Kubernetes [resources](helloworld.yml) - Deployment, Service and Ingress (for HTTPS access)
 5. Create an [Ansible inventory](inventory) and insert the address of the Kubernetes cluster
 6. Write [Ansible playbook](deploy.yml) to deploy the Kubernetes resources and also generate 
 7. Create a [pipeline](Jenkinsfile)

topics/cicd/solutions/deploy_to_kubernetes/deploy.yml

@@ -14,7 +14,7 @@
       openssl_privatekey:
         path: /etc/ssl/private/privkey.pem
 
-    - name: generate openssl certficate signing requests
+    - name: generate openssl certificate signing requests
       openssl_csr:
         path: /etc/ssl/csr/hello-world.app.csr
         privatekey_path: /etc/ssl/private/privkey.pem