commands: add :suspend

Add :suspend to suspend the aerc process, returning to shell. Include
documentation and default Ctrl-z keybinding for it.

Changelog-added: New `:suspend` command bound to `<C-z>` by default.
Signed-off-by: Nojus Gudinavičius <nojus.gudinavicius@gmail.com>
Signed-off-by: Robin Jarry <robin@jarry.cc>

1 files changed, 22 insertions, 0 deletions

diff --git a/commands/suspend.go b/commands/suspend.go
new file mode 100644
index 00000000..80d59028
--- /dev/null
+++ b/commands/suspend.go
@@ -0,0 +1,22 @@
+package commands
+
+import "git.sr.ht/~rjarry/aerc/lib/ui"
+
+type Suspend struct{}
+
+func init() {
+	register(Suspend{})
+}
+
+func (Suspend) Aliases() []string {
+	return []string{"suspend"}
+}
+
+func (Suspend) Complete(args []string) []string {
+	return nil
+}
+
+func (Suspend) Execute(args []string) error {
+	ui.QueueSuspend()
+	return nil
+}