add stub test, add pyproject.toml, add basic structure

src/nexus_sync/client/execute.py

@@ -0,0 +1,25 @@
+import shlex
+import subprocess
+from typing import Dict, Optional
+
+
+def run(command: str, stdin: Optional[str] = None) -> Dict[str, str]:
+    process = _execute(command, stdin)
+
+    return {
+        "stdout": process.stdout,
+        "stderr": process.stderr,
+    }
+
+
+def _parse_command(command: str) -> list[str]:
+    # return command.split()
+    return shlex.split(command)
+
+
+def _execute(command: str, stdin: Optional[str] = None) -> subprocess.CompletedProcess:
+    parsed_command = _parse_command(command)
+    result = subprocess.run(
+        parsed_command, input=stdin, text=True, capture_output=True, shell=True
+    )
+    return result

src/nexus_sync/server/__main__.py

@@ -0,0 +1,6 @@
+def main() -> None:
+    print("nexus-sync server")
+
+
+if __name__ == "__main__":
+    main()