chore: added examples for the tldr section

knowledge base/kubernetes/flux.md

@@ -8,11 +8,44 @@
 ## TL;DR
 
 ```sh
-# Check the extension is enabled.
+# Install Flux on clusters.
+flux check --pre && flux install
+
+# Check the status of Flux's controllers and CRDs.
+flux check
+
+# Check the cluster extension is enabled.
 kubectl -n 'flux-system' get extensionconfig 'fluxextension'
 
-# Check the configuration is rolled out and properly configured.
-kubectl -n 'default' get fluxconfig 'baseline-configuration'
+# Create resources.
+flux create source git 'base' --url 'https://github.com/user/repo' \
+  --branch 'main' --interval '5m'
+flux create kustomization 'base' --source 'base' --path '/' --prune true \
+  --interval '3m' --health-check 'Deployment/name' --health-check-timeout '2m'
+
+# Check the flux configuration is rolled out and properly configured.
+kubectl -n 'default' get fluxconfig 'configuration-name'
+kubectl get fluxconfig 'baseline' -o jsonpath='{.spec.gitRepository.ref.branch}'
+
+# Check resources of configurations.
+flux get -A all
+flux get source git 'source-name'
+flux -n 'default' get kustomization 'kustomization-name'
+
+# Reconcile resources.
+flux reconcile kustomization 'kustomization-name' --with-source
+flux -n 'default' reconcile kustomization 'kustomization-name'
+
+# Export resources.
+flux export source git --all > 'sources.all.yaml'
+flux export -n 'default' source oci 'source-name' > 'src.name.oci.default.yaml'
+
+# Delete resources.
+flux delete kustomization 'base'
+flux delete source git 'base'
+
+# Uninstall Flux and its CRDs.
+flux uninstall
 ```
 
 ## Further readings