feat: add initial_find_query config option

src/config.zig

@@ -32,6 +32,7 @@ enable_auto_save: bool = false,
 limit_auto_save_file_types: ?[]const []const u8 = null, // null means *all*
 enable_prefix_keyhints: bool = true,
 enable_auto_find: bool = true,
+initial_find_query: InitialFindQuery = .selection,
 ignore_filter_stderr: bool = false,
 
 auto_run_time_seconds: usize = 120, //seconds
@@ -151,3 +152,10 @@ pub const KeybindMode = enum {
     normal,
     ignore_alt_text_modifiers,
 };
+
+pub const InitialFindQuery = enum {
+    empty,
+    selection,
+    last_query,
+    selection_or_last_query,
+};