Revert "Merge branch 'add/lint' into 'master'"

This reverts merge request !6 (merged)

Should've only merged linting, but I branched from the wrong base.

inc/class-options-page.php

-<?php
-/**
- * Plugin options page
- *
- * @package Camo_Image_Proxy
- */
-
-namespace Camo_Image_Proxy;
-
-/**
- * Class Options_Page
- */
-class Options_Page {
-	use Singleton;
-
-	/**
-	 * Settings screen section
-	 *
-	 * @var string
-	 */
-	private $section = 'camp-image-proxy';
-
-	/**
-	 * Field labels
-	 *
-	 * @var array
-	 */
-	private $labels = [];
-
-	/**
-	 * Option name
-	 *
-	 * @var string
-	 */
-	private $name;
-
-	/**
-	 * Hooks
-	 */
-	public function setup() {
-		$this->name = Options::instance()->name;
-
-		$this->labels['host'] = __( 'Host', 'camo-image-proxy' );
-		$this->labels['key']  = __( 'Shared Key', 'camo-image-proxy' );
-
-		add_action( 'admin_init', [ $this, 'action_admin_init' ] );
-	}
-
-	/**
-	 * Add fields to Media settings page
-	 */
-	public function action_admin_init() {
-		register_setting( 'media', $this->name, [ Options::instance(), 'sanitize_all' ] );
-		add_settings_section( $this->section, __( 'Camo Image Proxy', 'camo-image-proxy' ), '__return_false', 'media' );
-
-		foreach ( $this->labels as $key => $label ) {
-			$args = [
-				'option' => $key,
-				'label'  => $label,
-			];
-			add_settings_field( $key, $label, [ $this, 'screen' ], 'media', $this->section, $args );
-		}
-	}
-
-	/**
-	 * Render options field
-	 *
-	 * @param array $args Field arguments.
-	 */
-	public function screen( $args ) {
-		$value      = Options::instance()->get( $args['option'] );
-		$input_type = 'host' === $args['option'] ? 'url' : 'text';
-		$name       = sprintf( '%1$s[%2$s]', $this->name, $args['option'] );
-		$html_id    = sprintf( '%1$s-%2$s', str_replace( '_', '-', $this->name ), $args['option'] );
-
-		?>
-		<input
-			type="<?php echo esc_attr( $input_type ); ?>"
-			name="<?php echo esc_attr( $name ); ?>"
-			class="regular-text"
-			id="<?php echo esc_attr( $html_id ); ?>"
-			value="<?php echo esc_attr( $value ); ?>"
-		/>
-		<?php
-	}
-}