2.1.3 bug fix and style optimization

[TankNee]

2.1.3 (2021-07-08)

• [feat]: update readme file (281fe6f)
• [fix]: change delete icon, fix save error as well as optimize update dialog (46d7ff6)
• [fix]: export default name (028006a)
• [fix]: fix init language and mac head title location (caba2fb)
• [fix]: fix picgo server notification sender (334498b)
• [fix]: fix save button and export notification (9b933b8)
• [fix]: fix translation error in table tool bar (1e17718)
• [fix]: fix unsaved dot color in windows and disable export png in no-current note (75b3521)
• [fix]: optimize editor button and add lock notification (b2b48ce)
• [fix]: update readme file (1886ee2)
• [fix]:theme header color (6c20434)

[TankNee]

fix #118