fix: Copy confluence-collab package instead of symlink for Docker build

Symlinks dont resolve on remote VM during Docker build context.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

confluence-collab/pyproject.toml

@@ -0,0 +1,24 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "confluence-collab"
+version = "0.1.0"
+description = "Section-based Confluence page editing with conflict retry"
+requires-python = ">=3.11"
+dependencies = [
+    "httpx>=0.27",
+    "beautifulsoup4>=4.12",
+    "lxml>=5.0",
+    "mcp>=1.0",
+]
+
+[project.optional-dependencies]
+dev = ["pytest", "pytest-asyncio", "respx"]
+
+[project.scripts]
+confluence-collab = "confluence_collab.cli:main"
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"