Add copy to feeds page (#2852)

* move `IconCircle` to `components` for reuse

* add copy to feeds page

* start of a header

* saveit

* add lg size

* add your feeds

* don't show Your Feeds if you don't have any

* Minor ui tweaks

* cleanup

* remove unused activity indicator

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/components/IconCircle.tsx

@@ -0,0 +1,51 @@
+import React from 'react'
+import {View} from 'react-native'
+
+import {
+  useTheme,
+  atoms as a,
+  ViewStyleProp,
+  TextStyleProp,
+  flatten,
+} from '#/alf'
+import {Growth_Stroke2_Corner0_Rounded as Growth} from '#/components/icons/Growth'
+import {Props} from '#/components/icons/common'
+
+export function IconCircle({
+  icon: Icon,
+  size = 'xl',
+  style,
+  iconStyle,
+}: ViewStyleProp & {
+  icon: typeof Growth
+  size?: Props['size']
+  iconStyle?: TextStyleProp['style']
+}) {
+  const t = useTheme()
+
+  return (
+    <View
+      style={[
+        a.justify_center,
+        a.align_center,
+        a.rounded_full,
+        {
+          width: size === 'lg' ? 52 : 64,
+          height: size === 'lg' ? 52 : 64,
+          backgroundColor:
+            t.name === 'light' ? t.palette.primary_50 : t.palette.primary_950,
+        },
+        flatten(style),
+      ]}>
+      <Icon
+        size={size}
+        style={[
+          {
+            color: t.palette.primary_500,
+          },
+          flatten(iconStyle),
+        ]}
+      />
+    </View>
+  )
+}