feat: 优化

app/src/main/java/io/legado/app/ui/about/AboutFragment.kt

@@ -47,6 +47,7 @@ class AboutFragment : PreferenceFragmentCompat() {
             "update_log" -> showUpdateLog()
             "check_update" -> openUrl(R.string.latest_release_url)
             "mail" -> sendMail()
+            "sourceRuleSummary" -> openUrl(R.string.source_rule_url)
             "git" -> openUrl(R.string.this_github_url)
             "home_page" -> openUrl(R.string.home_page_url)
             "license" -> requireContext().openUrl(licenseUrl)

app/src/main/res/xml/about.xml

@@ -51,6 +51,12 @@
             android:summary="@string/this_github_url"
             app:iconSpaceReserved="false" />
 
+        <io.legado.app.ui.widget.prefs.Preference
+            android:key="sourceRuleSummary"
+            android:title="@string/source_rule_s"
+            android:summary="@string/source_rule_url"
+            app:iconSpaceReserved="false" />
+
         <io.legado.app.ui.widget.prefs.Preference
             android:key="home_page"
             android:title="@string/home_page"