Begin caching, implement commands

pkg/gitlab/gitlab.go

@@ -0,0 +1,18 @@
+package gitlab
+
+import "github.com/xanzy/go-gitlab"
+
+type Client struct {
+	gitlab *gitlab.Client
+}
+
+func NewGitlabClient(host, token string) (*Client, error) {
+	client, err := gitlab.NewClient(token, gitlab.WithBaseURL(host))
+	if err != nil {
+		return nil, err
+	}
+	gitlabClient := &Client{
+		gitlab: client,
+	}
+	return gitlabClient, nil
+}