Add Comfy Registry packaging metadata

Adds the [tool.comfy] publisher section to pyproject.toml and a
.comfyignore so registry packages ship runtime code, the web extension,
and example workflows without heavy demo assets. No behavior change.

.comfyignore

@@ -0,0 +1,8 @@
+# Excluded from Comfy Registry packages (gitignore syntax).
+# Keeps the installed node lean: runtime code, web extension, example
+# workflows, and top-level docs ship; heavy demo assets and dev files do not.
+.github/
+docs/
+example_assets/
+tests/
+temp/

pyproject.toml

@@ -14,8 +14,13 @@ dependencies = []
 [project.urls]
 Homepage = "https://github.com/kgilper/krea-reference"
 Repository = "https://github.com/kgilper/krea-reference"
+Documentation = "https://github.com/kgilper/krea-reference/blob/main/docs/README.md"
 Issues = "https://github.com/kgilper/krea-reference/issues"
 
+[tool.comfy]
+PublisherId = "kgilper"
+DisplayName = "Krea Reference"
+
 [tool.krea-reference]
 comfyui_custom_node = true
 ships_model_weights = false