feat: rustic support

uv.lock

@@ -57,6 +57,7 @@ source = { editable = "." }
 dependencies = [
     { name = "click" },
     { name = "humanize" },
+    { name = "tomlkit" },
 ]
 
 [package.dev-dependencies]
@@ -69,6 +70,7 @@ dev = [
 requires-dist = [
     { name = "click", specifier = ">=8.2.1" },
     { name = "humanize", specifier = ">=4.13.0" },
+    { name = "tomlkit", specifier = ">=0.13.3" },
 ]
 
 [package.metadata.requires-dev]
@@ -199,3 +201,12 @@ sdist = { url = "https://files.pythonhosted.org/packages/18/5d/3bf57dcd21979b887
 wheels = [
     { url = "https://files.pythonhosted.org/packages/a3/dc/17031897dae0efacfea57dfd3a82fdd2a2aeb58e0ff71b77b87e44edc772/setuptools-80.9.0-py3-none-any.whl", hash = "sha256:062d34222ad13e0cc312a4c02d73f059e86a4acbfbdea8f8f76b28c99f306922", size = 1201486, upload-time = "2025-05-27T00:56:49.664Z" },
 ]
+
+[[package]]
+name = "tomlkit"
+version = "0.13.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/cc/18/0bbf3884e9eaa38819ebe46a7bd25dcd56b67434402b66a58c4b8e552575/tomlkit-0.13.3.tar.gz", hash = "sha256:430cf247ee57df2b94ee3fbe588e71d362a941ebb545dec29b53961d61add2a1", size = 185207, upload-time = "2025-06-05T07:13:44.947Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/bd/75/8539d011f6be8e29f339c42e633aae3cb73bffa95dd0f9adec09b9c58e85/tomlkit-0.13.3-py3-none-any.whl", hash = "sha256:c89c649d79ee40629a9fda55f8ace8c6a1b42deb912b2a8fd8d942ddadb606b0", size = 38901, upload-time = "2025-06-05T07:13:43.546Z" },
+]