Add PHPStan and other quality checks

Similar to FreshRSS core
Contributes to https://github.com/FreshRSS/Extensions/issues/184

xExtension-TitleWrap/README.md

@@ -9,4 +9,4 @@ The css code used to wrap long titles was originally [proposed](https://github.c
 
 ## Changelog
 
-- 0.1 initial version
+- 0.1 initial version

xExtension-TitleWrap/extension.php

@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 class TitleWrapExtension extends Minz_Extension {
-	public function init() {
-                Minz_View::appendStyle($this->getFileUrl('title_wrap.css', 'css'));
+	public function init(): void {
+		Minz_View::appendStyle($this->getFileUrl('title_wrap.css', 'css'));
 	}
 }

xExtension-TitleWrap/static/title_wrap.css

@@ -1,21 +1,26 @@
 .horizontal-list {
-    display: flex;
+	display: flex;
 }
+
 .horizontal-list.bottom {
-    display: table;
+	display: table;
 }
+
 .flux .item {
-    flex-shrink: 0;
-    line-height: normal;
-    padding: .3em 0;
+	flex-shrink: 0;
+	line-height: normal;
+	padding: .3em 0;
 }
+
 .flux .item > a {
-    white-space: normal;
+	white-space: normal;
 }
+
 .flux:not(.current):hover .item.title {
-    position: relative;
-    max-width: inherit;
+	position: relative;
+	max-width: inherit;
 }
+
 .flux_header .title {
-    flex: auto;
-}
+	flex: auto;
+}

xExtension-TitleWrap/static/title_wrap.rtl.css

@@ -0,0 +1,26 @@
+.horizontal-list {
+	display: flex;
+}
+
+.horizontal-list.bottom {
+	display: table;
+}
+
+.flux .item {
+	flex-shrink: 0;
+	line-height: normal;
+	padding: .3em 0;
+}
+
+.flux .item > a {
+	white-space: normal;
+}
+
+.flux:not(.current):hover .item.title {
+	position: relative;
+	max-width: inherit;
+}
+
+.flux_header .title {
+	flex: auto;
+}