New Crowdin translations (#5931)

* New translations ja-JP.yml (English)

* New translations ja-JP.yml (French)

* New translations ja-JP.yml (French)

* New translations ja-JP.yml (French)

* New translations ja-JP.yml (Korean)

* New translations ja-JP.yml (English)

* New translations ja-JP.yml (English)

* New translations ja-JP.yml (Korean)

* New translations ja-JP.yml (Spanish)

* New translations ja-JP.yml (English)

* New translations ja-JP.yml (French)

* New translations ja-JP.yml (Spanish)

locales/en-US.yml

@@ -1,6 +1,6 @@
 ---
 _lang_: "English"
-introMisskey: "Welcome! Misskey is an open source distributed microblogging service.\nCreate \"notes\" to share what's happening or to tell everyone about you📡\nThen send \"reactions\" to respond quickly to everyone's notes👍\nLet's explore a new world🚀"
+introMisskey: "Welcome! Misskey is an open source and also decentralized microblogging service.\nWrite the \"notes\" to share what is happening now, or send out your own words to everyone 📡\nWith the \"reactions\", you can add your feelings to everyone's notes faster than anyone 👍\nLet's explore the new world 🚀"
 monthAndDay: "{month}/{day}"
 search: "Search"
 notifications: "Notifications"
@@ -389,6 +389,9 @@ uiLanguage: "UI display language"
 groupInvited: "Invited to group"
 aboutX: "About {x}"
 useOsNativeEmojis: "Use the OS native Emojis"
+noGroups: "No groups"
+joinOrCreateGroup: "Get invited to join the groups or you can create your own group."
+noHistory: "No history items"
 _ago:
   unknown: "Unknown"
   future: "Future"