feat: update readme and adaptive files

assets/css/gp-style-desktop.css

@@ -1,4 +1,4 @@
 /* Стили для лептопов  */
-@media only screen and (max-width: 1720px) {
+@media only screen and (min-width: 992px) and (max-width: 1400px) {
 
 }

assets/css/gp-style-mobile.css

@@ -1,5 +1,5 @@
 /* Стили для мобильных устройств  */
-@media only screen and (max-width: 480px) {
+@media only screen and (max-width: 576px) {
 
 
 }

assets/css/gp-style-tablet.css

@@ -1,5 +1,5 @@
 /* Стили для планшетов  */
-@media only screen and (max-width: 1024px) {
+@media only screen and (max-width: 992px) {
 
     
 }

assets/css/gp-style-ultra.css

@@ -1,2 +1,4 @@
 /* Стили для ультрашироких экранов  */
-@media only screen and (min-width: 1720px) {}
+@media only screen and (min-width: 1400px) {
+
+}