fix: maintain window aspect ratio
Merge pull request #137 from about518/fix/window-aspect-ratio

fix: maintain window aspect ratio
allow free text input on manual reminder #134
Resize widget by launch button
Merge pull request #140 from about518/feature/resize-widget

Resize widget by launch button
Merge pull request #139 from otiai10/feature/free-text-in-manual

allow free text input on manual reminder #134
background-color: black #141
interface for set popup background
affect popup background
Merge pull request #143 from otiai10/feature/change-background-desigin

change background desigin
[sync] 0.2.7.8
Merge pull request #138 from otiai10/develop

[sync master] 0.2.7.8 //まだマージしない