feat: add in-app man pages browser

Add a native Man Pages section to the More tab with in-app browsing for
man.sr.ht documentation and srht.site pages.

- add ManPageService for fetching and extracting public docs content
- add ManPageBrowserView and ManPageDetailView
- add More tab navigation for Man Pages
- support in-place navigation for internal documentation links
- allow HTMLWebView to intercept internal links and use a base URL
- support man.sr.ht and srht.site content extraction
- remove heading permalink "#" anchors from man page rendering
- fix relative links, fragment links, and srht.site CTA/icon layout

1 files changed, 6 insertions, 0 deletions

diff --git a/Hutch/App/RootView.swift b/Hutch/App/RootView.swift
index a71b247..96c17a8 100644
--- a/Hutch/App/RootView.swift
+++ b/Hutch/App/RootView.swift
@@ -269,6 +269,8 @@ enum MoreRoute: Hashable {
     case settings
     case mailingList(InboxMailingListReference)
     case thread(InboxThreadSummary)
+    case manPageBrowser
+    case manPage(URL)
 }
 
 private struct MoreNavigationRoot: View {
@@ -302,6 +304,10 @@ private struct MoreNavigationRoot: View {
                             NeedsAttentionSnapshotStore.adjustUnreadInboxThreads(by: 1)
                         }
                     )
+                case .manPageBrowser:
+                    ManPageBrowserView()
+                case .manPage(let url):
+                    ManPageDetailView(url: url)
                 }
             }
     }