feat(config): add initial Ghostty, Herdr, and Yazi configuration files

dot_config/yazi/yazi.toml.tmpl

@@ -6,7 +6,10 @@ play = [
 	{ run = "mpv %s", orphan = true, for = "unix" },
 ]
 edit = [
-	{ run = "nvim %s", block = true, for = "unix" },
+	# routes into the host nvim when run inside its terminal ($NVIM set);
+	# plain blocking nvim otherwise. Lives in ~/.local/bin (yazi doesn't
+	# expand $HOME here). %s = selected/hovered paths (yazi interpolation).
+	{ run = 'yazi-nvim-open %s', block = true, for = "unix" },
 ]
 open = [
 	{ run = "{{ if eq .chezmoi.os "darwin" }}open{{ else }}xdg-open{{ end }} %s1", desc = "Open" },