feat: begin tui implementation

internal/tui/update.go

@@ -0,0 +1,24 @@
+package tui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+// Update handles all messages for the TUI.
+func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmd tea.Cmd
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "q", "ctrl+c":
+			return m, tea.Quit
+		}
+	case tea.WindowSizeMsg:
+		m.width = msg.Width
+		m.height = msg.Height
+		m.list.SetSize(msg.Width/2, msg.Height)
+	}
+
+	m.list, cmd = m.list.Update(msg)
+	return m, cmd
+}