fix(ls): rename --quick to --quiet; add version command; bump to 1.3.14

- Fix ls -q long option name: --quick → --quiet (typo fix)
- Remove mdrsclient/VERSION file; read version via importlib.metadata
- Bump version 1.3.13 → 1.3.14
- Add Python 3.14 to supported classifiers; promote to Development Status 4 - Beta
- Add `version` subcommand (prints "mdrs <version>")
- Document `version` command in README

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

pyproject.toml

@@ -1,12 +1,12 @@
 [tool.poetry]
 name = "mdrs-client-python"
-version = "1.3.13"
+version = "1.3.14"
 description = "The mdrs-client-python is python library and a command-line client for up- and downloading files to and from MDRS based repository."
 authors = ["Yoshihiro OKUMURA <yoshihiro.okumura@riken.jp>"]
 license = "MIT"
 readme = "README.md"
 classifiers=[
-    "Development Status :: 3 - Alpha",
+    "Development Status :: 4 - Beta",
     "Environment :: Console",
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
@@ -14,6 +14,7 @@ classifiers=[
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "OSI Approved :: MIT License",
     "Topic :: Utilities",
 ]