feat(core): add starAFFiNE and issueFeedback modal (#5718)

close TOV-482

https://github.com/toeverything/AFFiNE/assets/102217452/da1f74bc-4b8d-4d7f-987d-f53da98d92fe

packages/frontend/component/src/ui/modal/overlay-modal.css.ts

@@ -0,0 +1,37 @@
+import { cssVar } from '@toeverything/theme';
+import { style } from '@vanilla-extract/css';
+
+export const title = style({
+  padding: '20px 24px 8px 24px',
+  fontSize: cssVar('fontH6'),
+  fontFamily: cssVar('fontFamily'),
+  fontWeight: '600',
+  lineHeight: '26px',
+});
+
+export const content = style({
+  padding: '0px 24px 8px',
+  fontSize: cssVar('fontBase'),
+  lineHeight: '24px',
+  fontWeight: 400,
+});
+
+export const footer = style({
+  padding: '20px 24px',
+  display: 'flex',
+  justifyContent: 'flex-end',
+  gap: '20px',
+});
+
+export const gotItBtn = style({
+  fontWeight: 500,
+});
+
+export const buttonText = style({
+  color: cssVar('pureWhite'),
+  textDecoration: 'none',
+  cursor: 'pointer',
+  ':visited': {
+    color: cssVar('pureWhite'),
+  },
+});