add page for reading a single gemlog entry

entry.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"gemini_site/gemlog"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type EntryPageModel struct {
+	entry gemlog.GemlogEntry
+}
+
+func initialEntryPageModel() EntryPageModel {
+	return EntryPageModel{}
+}
+
+func (m EntryPageModel) Update(msg tea.Msg, active bool, ctx *context) (EntryPageModel, tea.Cmd) {
+	switch msg := msg.(type) {
+	case gemlog.GemLogLoaded:
+		m.entry = msg.Log
+	case tea.KeyMsg:
+		if !active {
+			return m, nil
+		}
+		switch msg.String() {
+		case "left", "h":
+			cmd := func() tea.Msg {
+				return SwitchPages{Page: EntryList}
+			}
+			return m, cmd
+		}
+	}
+
+	return m, nil
+
+}
+
+func (m EntryPageModel) View() string {
+	s := m.entry.Slug
+	s += "\n\n"
+	s += m.entry.Gemtxt
+	s += "\n\n-------------------------\n"
+	s += "\n\nPress h or left arrow to go back"
+	return s
+}