Metadata writer (#17)

Reviewed-on: #17
Co-authored-by: Mathias <mathias2784@web.de>

uv.lock

@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.14"
 
 [[package]]
@@ -580,6 +580,7 @@ dependencies = [
     { name = "pillow" },
     { name = "pydantic" },
     { name = "pydantic-settings" },
+    { name = "pyexiftool" },
     { name = "pytest" },
     { name = "ruff" },
     { name = "typer" },
@@ -593,6 +594,7 @@ requires-dist = [
     { name = "pillow", specifier = ">=12.3.0" },
     { name = "pydantic", specifier = ">=2.13.5" },
     { name = "pydantic-settings", specifier = ">=2.15.0" },
+    { name = "pyexiftool", specifier = ">=0.5.6" },
     { name = "pytest", specifier = ">=9.1.1" },
     { name = "ruff", specifier = ">=0.16.9" },
     { name = "typer", specifier = ">=0.12.0" },
@@ -746,6 +748,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/30/a4/2bffa9f8e804325a09867f0e9d30795c80ea9f8d62560bd1b6ad6220eb2f/pydantic_settings-2.15.0-py3-none-any.whl", hash = "sha256:0ba092c291c94baceb5eff768aa0d56400a457585bc0175925a5a5510303da42", size = 69413, upload-time = "2026-08-07T09:24:55.839Z" },
 ]
 
+[[package]]
+name = "pyexiftool"
+version = "0.5.6"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/5e/48/406da6691d15abf3c8d399bce8bc588709a5b54e857fd7c22dad2f90c33c/PyExifTool-0.5.6.tar.gz", hash = "sha256:22a972c1c212d1ad5f61916fded5057333dcc48fb8e42eed12d2ff9665b367ae", size = 56365, upload-time = "2023-10-22T23:18:18.819Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/fc/b9/175e9a1f8f3f94b22f622f0fcac853ae2c43cb4ac6034f849269c6086dac/PyExifTool-0.5.6-py3-none-any.whl", hash = "sha256:ac7d7836d2bf373f20aa558528f6b2222c4c0d896ed28c951a3ff8e6cec05a87", size = 51243, upload-time = "2023-10-22T23:18:16.614Z" },
+]
+
 [[package]]
 name = "pygments"
 version = "2.21.0"