move "copy" string to common, add "copied"

for a new password reset feature.

lang/common/de-de.json

@@ -10,6 +10,7 @@
         "submit": "Absenden",
         "success": "Erfolg",
         "error": "Fehler",
+        "copy": "Kopieren",
         "theme": "Thema"
     }
 }

lang/common/el-gr.json

@@ -10,6 +10,7 @@
         "submit": "Καταχώρηση",
         "success": "Επιτυχία",
         "error": "Σφάλμα",
+        "copy": "Αντιγραφή",
         "theme": "Θέμα"
     }
 }

lang/common/en-us.json

@@ -10,6 +10,8 @@
         "submit": "Submit",
         "success": "Success",
         "error": "Error",
+        "copy": "Copy",
+        "copied": "Copied",
         "theme": "Theme"
     }
 }

lang/common/fr-fr.json

@@ -11,6 +11,7 @@
         "submit": "Soumettre",
         "success": "Succès",
         "error": "Erreur",
+        "copy": "Copier",
         "theme": "Thème"
     }
 }

lang/common/id-id.json

@@ -10,6 +10,7 @@
         "submit": "Submit",
         "success": "Sukses",
         "error": "Error",
+        "copy": "Salin",
         "theme": "Tema"
     }
 }

lang/common/nl-nl.json

@@ -10,6 +10,7 @@
         "submit": "Verstuur",
         "success": "Success",
         "error": "Fout",
+        "copy": "Kopiëer",
         "theme": "Thema"
     }
 }

lang/common/pt-br.json

@@ -10,6 +10,7 @@
         "submit": "Enviar",
         "success": "Sucesso",
         "error": "Erro",
+        "copy": "Copiar",
         "theme": "Tema"
     }
 }

lang/common/sv-se.json

@@ -10,6 +10,7 @@
         "submit": "Skicka",
         "success": "Lyckades",
         "error": "Fel",
+        "copy": "Kopiera",
         "theme": "Tema"
     }
 }