Add PHPdoc to all methods, minor code reorder

Move some methods around to have them together by call order logic

src/Config/ConfigInterface.php

@@ -5,68 +5,68 @@ namespace gullevek\AmazonIncentives\Config;
 interface ConfigInterface
 {
 	/**
-	 * @return string
+	 * @return string Returns current set endpoint, without https://
 	 */
 	public function getEndpoint(): string;
 
 	/**
-	 * @param string $endpoint
-	 * @return ConfigInterface
+	 * @param  string          $endpoint Full endpoint url with https://
+	 * @return ConfigInterface           Class interface (self)
 	 */
 	public function setEndpoint(string $endpoint): ConfigInterface;
 
 	/**
-	 * @return string
+	 * @return string Current access key
 	 */
 	public function getAccessKey(): string;
 
 	/**
-	 * @param string $key
-	 * @return ConfigInterface
+	 * @param  string          $key Access Key to set
+	 * @return ConfigInterface      Class interface (self)
 	 */
 	public function setAccessKey(string $key): ConfigInterface;
 
 	/**
-	 * @return string
+	 * @return string Current secret key
 	 */
 	public function getSecret(): string;
 
 	/**
-	 * @param string $secret
-	 * @return ConfigInterface
+	 * @param  string          $secret Secret key to set
+	 * @return ConfigInterface         Class interface (self)
 	 */
 	public function setSecret(string $secret): ConfigInterface;
 
 	/**
-	 * @return string
+	 * @return string Current set currency
 	 */
 	public function getCurrency(): string;
 
 	/**
-	 * @param string $currency
-	 * @return ConfigInterface
+	 * @param  string          $currency Currency to set (eg USD, JPY, etc)
+	 * @return ConfigInterface           Class interface (self)
 	 */
 	public function setCurrency(string $currency): ConfigInterface;
 
 	/**
-	 * @return string
+	 * @return string Current set partner id
 	 */
 	public function getPartner(): string;
 
 	/**
-	 * @param string $partner
-	 * @return ConfigInterface
+	 * @param  string          $partner Partner id to set
+	 * @return ConfigInterface          Class interface (self)
 	 */
 	public function setPartner(string $partner): ConfigInterface;
 
 	/**
-	 * @return bool
+	 * @return bool Current set debug flag as bool
 	 */
 	public function getDebug(): bool;
 
 	/**
-	 * @param bool $debug
-	 * @return ConfigInterface
+	 * @param  bool            $debug Set debug flag as bool
+	 * @return ConfigInterface        Class interface (self)
 	 */
 	public function setDebug(bool $debug): ConfigInterface;
 }