page/firstRun: use password input for password

because why password should be shown in plain text??

components/entryEditor.vue

@@ -7,7 +7,7 @@ type optionalMap<Optional> = Optional extends true ? undefined : string | number
 export type fieldDefinition<Optional extends boolean = boolean> = {
   key: string,
   label?: string,
-  type: "text" | "number",
+  type: "text" | "password" | "number",
   optional?: Optional,
   value?: optionalMap<Optional>,
 }