Restructured preview functionality into a separate mediapreview package.

pyproject.toml

@@ -33,6 +33,7 @@ dependencies = [
     "html5tagger>=1.3.0",
     "httpx>=0.28.0",
     "inotify>=0.2.12",
+    "mediapreview[standard]",
     "msgspec>=0.19.0",
     "natsort>=8.4.0",
     "numpy>=2.3.2",
@@ -77,7 +78,7 @@ docs = [
 source = "vcs"
 
 [tool.hatch.build]
-artifacts = ["cista/frontend-build", "cista/docker"]
+artifacts = ["cista/frontend-build"]
 targets.sdist.hooks.custom.path = "scripts/fastapi-vue/buildhook.py"
 targets.sdist.include = [
     "/cista",