Complete Italian translations (#8517)

* Complete Italian translations

* make fix-all

---------

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

README.fr.md

@@ -239,7 +239,7 @@ Voir le [dépôt dédié à ces extensions](https://github.com/FreshRSS/Extensio
 | עברית (he) | ￭￭￭￭･･････ 42% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fhe+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Magyar (hu) | ￭￭￭￭￭￭￭￭￭･ 98% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fhu+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Bahasa Indonesia (id) | ￭￭￭￭￭￭￭￭￭･ 91% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fid+%2F%28TODO%7CDIRTY%29%24%2F) |
-| Italiano (it) | ￭￭￭￭￭￭￭￭￭･ 98% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fit+%2F%28TODO%7CDIRTY%29%24%2F) |
+| Italiano (it) | ￭￭￭￭￭￭￭￭￭･ 99% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fit+%2F%28TODO%7CDIRTY%29%24%2F) |
 | 日本語 (ja) | ￭￭￭￭￭￭￭￭￭･ 90% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fja+%2F%28TODO%7CDIRTY%29%24%2F) |
 | 한국어 (ko) | ￭￭￭￭￭￭￭￭･･ 83% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fko+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Latviešu (lv) | ￭￭￭￭￭￭￭･･･ 77% | [contribuer](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Flv+%2F%28TODO%7CDIRTY%29%24%2F) |

README.md

@@ -135,7 +135,7 @@ See the [repository dedicated to those extensions](https://github.com/FreshRSS/E
 | עברית (he) | ￭￭￭￭･･････ 42% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fhe+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Magyar (hu) | ￭￭￭￭￭￭￭￭￭･ 98% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fhu+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Bahasa Indonesia (id) | ￭￭￭￭￭￭￭￭￭･ 91% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fid+%2F%28TODO%7CDIRTY%29%24%2F) |
-| Italiano (it) | ￭￭￭￭￭￭￭￭￭･ 98% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fit+%2F%28TODO%7CDIRTY%29%24%2F) |
+| Italiano (it) | ￭￭￭￭￭￭￭￭￭･ 99% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fit+%2F%28TODO%7CDIRTY%29%24%2F) |
 | 日本語 (ja) | ￭￭￭￭￭￭￭￭￭･ 90% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fja+%2F%28TODO%7CDIRTY%29%24%2F) |
 | 한국어 (ko) | ￭￭￭￭￭￭￭￭･･ 83% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Fko+%2F%28TODO%7CDIRTY%29%24%2F) |
 | Latviešu (lv) | ￭￭￭￭￭￭￭･･･ 77% | [contribute](https://github.com/search?q=repo%3AFreshRSS%2FFreshRSS+path%3Aapp%2Fi18n%2Flv+%2F%28TODO%7CDIRTY%29%24%2F) |

app/i18n/it/index.php

@@ -85,14 +85,14 @@ return array(
 		'rss_view' => 'Feed RSS',
 		'search_short' => 'Cerca',
 		'sort' => array(
-			'asc' => 'Ascending',	// TODO
+			'asc' => 'Ordine crescente',
 			'c' => array(
 				'name_asc' => 'Categoria, titolo del feed A→Z',
 				'name_desc' => 'Categoria, titolo del feed Z→A',
 			),
 			'date_asc' => 'Data di pubblicazione 1→9',
 			'date_desc' => 'Data di pubblicazione 9→1',
-			'desc' => 'Descending',	// TODO
+			'desc' => 'Ordine decrescente',
 			'f' => array(
 				'name_asc' => 'Titolo del feed A→Z',
 				'name_desc' => 'Titolo del feed Z→A',
@@ -104,13 +104,13 @@ return array(
 			'link_asc' => 'Link A→Z',	// IGNORE
 			'link_desc' => 'Link Z→A',	// IGNORE
 			'primary' => array(
-				'_' => 'Sorting criterion',	// TODO
-				'help' => 'Sorting by <em>received</em> date is recommended in most cases, for consistency and performance',	// TODO
+				'_' => 'Criterio di ordinamento',
+				'help' => 'L’ordinamento per data di <em>ricezione</em> è consigliato nella maggior parte dei casi, per motivi di coerenza e prestazioni',
 			),
 			'rand' => 'Ordine casuale',
 			'secondary' => array(
-				'_' => 'Secondary sorting criterion',	// TODO
-				'help' => 'Only relevant when the primary sorting criterion is categories or feeds titles',	// TODO
+				'_' => 'Criterio di ordinamento secondario',
+				'help' => 'Rilevante solo quando il criterio di ordinamento principale è categoria o titolo del feed',
 			),
 			'title_asc' => 'Titolo A→Z',
 			'title_desc' => 'Titolo Z→A',