chore: improve codebase and doc quality (#922)

* chore(prometheus integration): fix mispelling

Signed-off-by: r3drun3 <simone.ragonesi@sighup.io>

* docs(readme): add badges to improve doc quality

Signed-off-by: r3drun3 <simone.ragonesi@sighup.io>

---------

Signed-off-by: r3drun3 <simone.ragonesi@sighup.io>

README.md

@@ -8,9 +8,12 @@
 ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/k8sgpt-ai/k8sgpt/release.yaml)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/k8sgpt-ai/k8sgpt)
 [![OpenSSF Best Practices](https://bestpractices.coreinfrastructure.org/projects/7272/badge)](https://bestpractices.coreinfrastructure.org/projects/7272)
-[![Link to documentation](https://img.shields.io/static/v1?label=%F0%9F%93%96&message=Documentation&color=blue)](https://docs.k8sgpt.ai/)
+[![Link to documentation](https://img.shields.io/static/v1?label=%F0%9F%93%96&message=Documentation&color=blue)](https://docs.k8sgpt.ai/)  
 [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgit.luolix.top%2Fk8sgpt-ai%2Fk8sgpt.svg?type=shield)](https://app.fossa.com/projects/git%2Bgit.luolix.top%2Fk8sgpt-ai%2Fk8sgpt?ref=badge_shield)
+[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![Go version](https://img.shields.io/github/go-mod/go-version/k8sgpt-ai/k8sgpt.svg)](https://github.com/k8sgpt-ai/k8sgpt)
 [![codecov](https://codecov.io/github/k8sgpt-ai/k8sgpt/graph/badge.svg?token=ZLR7NG8URE)](https://codecov.io/github/k8sgpt-ai/k8sgpt)
+![GitHub last commit (branch)](https://img.shields.io/github/last-commit/k8sgpt-ai/k8sgpt/main)  
 
 `k8sgpt` is a tool for scanning your Kubernetes clusters, diagnosing, and triaging issues in simple English.
 

pkg/integration/prometheus/config_analyzer.go

@@ -122,7 +122,7 @@ func findPrometheusPodConfigs(ctx context.Context, client kubernetes.Interface,
 	var configCache = make(map[string]bool)
 
 	for _, pod := range pods {
-		// Extract volume of Promethues config.
+		// Extract volume of Prometheus config.
 		volume, key, err := findPrometheusConfigVolumeAndKey(ctx, client, &pod)
 		if err != nil {
 			return nil, err