cmd: complete scan command

pkg/client/scan.go

@@ -0,0 +1,32 @@
+package client
+
+import (
+	"net/http"
+)
+
+type ScanOpts struct {
+	ApiHeaders map[string]string
+	Severity   string
+}
+
+func Scan(imageName, apiHost string, opts *ScanOpts) error {
+	// TODO: Complete this function after completing
+	// https://github.com/gokakashi/goKakashi/issues/22
+
+	req, err := http.NewRequest(http.MethodPost, apiHost, nil)
+	if err != nil {
+		return err
+	}
+
+	for k, v := range opts.ApiHeaders {
+		req.Header.Add(k, v)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}