Add quit mode and key bindings

`:q<enter>` -> Just quit.
`:qp` -> quit printing pwd.
`:qf` -> quit printing focus.
`:qs` -> quit printing selection.
`:qr` -> quit printing result.

Ref: https://github.com/sayanarijit/xplr/issues/257

src/config.rs

@@ -828,6 +828,9 @@ pub struct BuiltinModesConfig {
 
     #[serde(default)]
     pub switch_layout: Mode,
+
+    #[serde(default)]
+    pub quit: Mode,
 }
 
 impl BuiltinModesConfig {
@@ -857,6 +860,7 @@ impl BuiltinModesConfig {
             "relative path does not contain" => Some(&self.relative_path_does_not_contain),
             "switch layout" => Some(&self.switch_layout),
             "switch_layout" => Some(&self.switch_layout),
+            "quit" => Some(&self.quit),
             _ => None,
         }
     }
@@ -945,6 +949,11 @@ impl BuiltinModesConfig {
     pub fn recover(&self) -> &Mode {
         &self.recover
     }
+
+    /// Get a reference to the builtin modes config's quit.
+    pub fn quit(&self) -> &Mode {
+        &self.quit
+    }
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]

src/init.lua

@@ -1345,9 +1345,10 @@ xplr.config.modes.builtin.action = {
         }
       },
       ["q"] = {
-        help = "quit",
+        help = "quit options",
         messages = {
-          "Quit",
+          "PopMode",
+          { SwitchModeBuiltin = "quit" },
         }
       }
     },
@@ -1367,6 +1368,59 @@ xplr.config.modes.builtin.action = {
   }
 }
 
+------ Quit
+xplr.config.modes.builtin.quit = {
+  name = "quit",
+  help = nil,
+  extra_help = nil,
+  key_bindings = {
+    on_key = {
+      enter = {
+        help = "just quit",
+        messages = {
+          "Quit",
+        }
+      },
+      p = {
+        help = "quit printing pwd",
+        messages = {
+          "PrintPwdAndQuit",
+        }
+      },
+      f = {
+        help = "quit printing focus",
+        messages = {
+          "PrintFocusPathAndQuit",
+        }
+      },
+      s = {
+        help = "quit printing selection",
+        messages = {
+          "PrintSelectionAndQuit",
+        }
+      },
+      r = {
+        help = "quit printing result",
+        messages = {
+          "PrintResultAndQuit",
+        }
+      },
+      esc = {
+        help = "cancel",
+        messages = {
+          "PopMode",
+        }
+      },
+      ["ctrl-c"] = {
+        help = "terminate",
+        messages = {
+          "Terminate",
+        }
+      }
+    }
+  }
+}
+
 ------ Search
 xplr.config.modes.builtin.search = {
   name = "search",