Optimized again dictionary page and working import

src/main.rs

@@ -34,6 +34,10 @@ use iced_core::Size;
 use rusqlite::Connection;
 use std::collections::HashMap;
 use iced_core::window::settings::PlatformSpecific;
+use mimalloc::MiMalloc;
+
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
 
 const USER_FONT: Font = Font::with_name("Noto Sans JP");