docs: replace scripts with makefile

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2348>

docs/_scripts/locale-prune-untranslated.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+import os
+from subprocess import check_output
+
+
+def main() -> int:
+    output = check_output(["poetry", "run", "sphinx-intl", "stat"], text=True)
+    for line in output.splitlines():
+        path, _, comment = line.partition(":")
+        if "0 untranslated." in comment:
+            print(f"removing untranslated po file: {path}")
+            os.unlink(path)
+
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

docs/_scripts/serve.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+from subprocess import check_call
+
+from livereload import Server, shell
+
+BUILD_DIR = "/tmp/_build"
+
+
+def main() -> int:
+    # initial make
+    check_call(["make", "build", f"BUILD_DIR={BUILD_DIR}"])
+
+    server = Server()
+    server.watch("..", shell(f"make build BUILD_DIR={BUILD_DIR}"))
+    server.serve(root=BUILD_DIR, liveport=35730, port=8001, host="0.0.0.0")
+
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())