Replace submodule with direct copy of one.el fork for Docker compatibility

one.el/docker/Dockerfile

@@ -0,0 +1,15 @@
+FROM debian:12-slim
+
+# set work directory
+WORKDIR /usr/src/app
+
+# Print output
+RUN export TERM=xterm
+
+# install software
+RUN apt update
+RUN apt install -y emacs-nox
+
+# Build
+COPY build.el .
+ENTRYPOINT emacs --batch --script build.el

one.el/docker/build.el

@@ -0,0 +1,8 @@
+(progn
+  (require 'package)
+  (add-to-list 'package-archives
+	       '("melpa" . "https://melpa.org/packages/") t)
+  (package-initialize)
+  (package-refresh-contents)
+  (package-install 'one)
+  (one-build))

one.el/docker/compose.yaml

@@ -0,0 +1,8 @@
+
+services:
+
+  one-el:
+    build: .
+    restart: "no"
+    volumes:
+      - .:/usr/src/app/