[Feature] Support changing accent/primary color (#282)

* [Feature] Support changing accent/primary color

- adds color picker to settings with five swatches (blue default, yellow green and red imported from sonixd, purple new)
- changing color will change the appropriate css variable

* Remove hover styles that use an alternate primary

---------

Co-authored-by: Jeff <42182408+jeffvli@users.noreply.github.com>
Co-authored-by: jeffvli <jeffvictorli@gmail.com>

src/renderer/store/settings.store.ts

@@ -119,6 +119,7 @@ export interface SettingsState {
         type: FontType;
     };
     general: {
+        accent: string;
         defaultFullPlaylist: boolean;
         followSystemTheme: boolean;
 
@@ -222,6 +223,7 @@ const initialState: SettingsState = {
         type: FontType.BUILT_IN,
     },
     general: {
+        accent: 'rgb(53, 116, 252)',
         defaultFullPlaylist: true,
         followSystemTheme: false,
         playButtonBehavior: Play.NOW,