2.4.0

• Add with key functions in the input module (20b12f9)
• Use UnityEvent for toggle button (459466a)
• Add action button to accept any events (c2c463f)
• Move game data to app data instead (751a608)
• Remove game pause options from input module (e4d6b1d)
• Fix switch scene flag (b8f35d6)
• Fix sound slider influencing the BGM sound player (b8f35d6)
• Add version text (3708058)
• Add scene existence check (a0f333d)
• Add attribute, selection base (f8d7fe6)
• Add random texture action (5988e6b)
• Add time scale slider (a17e618)
• Improve save load data's API (d3cf03f)
• Remove unused UNITY_EDITOR guard (9297ead)