Adding sample auth code that will most likely change and api implementation

Signed-off-by: Kris Nóva <kris@nivenly.com>

client.go

@@ -1,10 +1,65 @@
-package photoprism_client_go
+package photoprism
 
-type PhotoprismClient struct {
-	//
+import "github.com/kris-nova/client-go/api/v1"
+
+type Client struct {
+	v1client *api.V1Client
 }
 
-func New() *PhotoprismClient {
-	p := &PhotoprismClient{}
+type ClientAuthenticator interface {
+	getKey() string
+	getSecret() string
+}
+
+// -- [ ClientAuthLogin ] --
+
+// TODO We probably want to base64 encode this
+type ClientAuthLogin struct {
+	user string
+	pass string
+}
+
+func NewClientAuthLogin(user, pass string) ClientAuthenticator {
+	return &ClientAuthLogin{
+		user: user,
+		pass: pass,
+	}
+}
+
+func (c *ClientAuthLogin) getKey() string {
+	return c.user
+}
+func (c *ClientAuthLogin) getSecret() string {
+	return c.pass
+}
+
+// -- [ ClientAuthToken ] --
+
+// TODO We probably want to base64 encode this
+type ClientAuthToken struct {
+	key    string
+	secret string
+}
+
+func NewClientAuthToken(key, secret string) ClientAuthenticator {
+	return &ClientAuthToken{
+		key:    key,
+		secret: secret,
+	}
+}
+
+func (c *ClientAuthToken) getKey() string {
+	return c.key
+}
+func (c *ClientAuthToken) getSecret() string {
+	return c.secret
+}
+
+func New(auth ClientAuthenticator) *Client {
+	p := &Client{}
 	return p
 }
+
+func (c *Client) V1() *api.V1Client {
+	return c.v1client
+}