feat(provider): add teams data-source

Closes #13

internal/client/teams.go

@@ -0,0 +1,35 @@
+package client
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"path"
+)
+
+type Team struct {
+	CanCreateOrgRepo        bool              `json:"can_create_org_repo"`
+	Description             string            `json:"description"`
+	Id                      int64             `json:"id"`
+	IncludesAllRepositories bool              `json:"includes_all_repositories"`
+	Name                    string            `json:"name"`
+	Organization            *Organization     `json:"organization"`
+	Permission              string            `json:"permission"`
+	Units                   []string          `json:"units"`
+	UnitsMap                map[string]string `json:"units_map"`
+}
+
+func (c *Client) TeamsList(ctx context.Context, organizationName string) ([]Team, error) {
+	var response []Team
+	query := make(url.Values)
+	query.Set("limit", "50")
+	query.Set("page", "1")
+	uriRef := url.URL{
+		Path:     path.Join("api/v1/orgs", organizationName, "teams"),
+		RawQuery: query.Encode(),
+	}
+	if err := c.Send(ctx, "GET", &uriRef, nil, &response); err != nil {
+		return nil, fmt.Errorf("failed to list teams of organization %s: %w", organizationName, err)
+	}
+	return response, nil
+}