feat: allow setting root CA from string

Signed-off-by: Mateusz Urbanek <[email protected]>

client.go

@@ -431,12 +431,18 @@ func (c *Client) updateHostURL() {
 	)
 }
 
-// SetRootCertificate adds a root certificate to the underlying TLS client config
+// SetRootCertificate adds a path to the root certificate to the underlying TLS client config.
 func (c *Client) SetRootCertificate(path string) *Client {
 	c.resty.SetRootCertificate(path)
 	return c
 }
 
+// SetRootCertificateFromString adds a root certificate to the underlying TLS client config.
+func (c *Client) SetRootCertificateFromString(ca string) *Client {
+	c.resty.SetRootCertificateFromString(ca)
+	return c
+}
+
 // SetToken sets the API token for all requests from this client
 // Only necessary if you haven't already provided the http client to NewClient() configured with the token.
 func (c *Client) SetToken(token string) *Client {