web/i18n: update string name formatting

web/i18n/en/a11y/save.json

@@ -1,9 +1,9 @@
 {
-    "linkArea": "link input area",
-    "clearInput": "clear input",
+    "link_area": "link input area",
+    "clear_input": "clear input",
     "download": "download",
-    "downloadThink": "processing the link...",
-    "downloadCheck": "verifying download...",
-    "downloadDone": "downloading done",
-    "downloadError": "downloading error"
+    "download.think": "processing the link...",
+    "download.check": "verifying download...",
+    "download.done": "downloading done",
+    "download.error": "downloading error"
 }

web/i18n/en/a11y/tabs.json

@@ -1,3 +1,3 @@
 {
-    "tabPanel": "tabs panel"
+    "tab_panel": "tabs panel"
 }

web/i18n/en/button.json

@@ -3,7 +3,7 @@
     "cancel": "cancel",
     "reset": "reset",
     "done": "done",
-    "downloadAudio": "download audio",
+    "download.audio": "download audio",
     "download": "download",
     "share": "share",
     "copy": "copy",

web/i18n/ru/a11y/save.json

@@ -1,9 +1,9 @@
 {
-    "linkArea": "зона вставки ссылки",
-    "clearInput": "clear input",
+    "link_area": "зона вставки ссылки",
+    "clear_input": "clear input",
     "download": "скачать",
-    "downloadThink": "обрабатываю ссылку...",
-    "downloadCheck": "проверяю загрузку...",
-    "downloadDone": "загрузка завершена!",
-    "downloadError": "ошибка загрузки"
+    "download.think": "обрабатываю ссылку...",
+    "download.check": "проверяю загрузку...",
+    "download.done": "загрузка завершена!",
+    "download.error": "ошибка загрузки"
 }

web/i18n/ru/a11y/tabs.json

@@ -1,3 +1,3 @@
 {
-    "tabPanel": "панель вкладок"
+    "tab_panel": "панель вкладок"
 }