Add beer tof diagram notebook to docs

docs/user-guide/beer/index.md

@@ -0,0 +1,10 @@
+# BEER
+
+## Reduction Workflows
+
+```{toctree}
+---
+maxdepth: 1
+---
+beer_mcstas
+```

docs/user-guide/index.md

@@ -7,6 +7,7 @@ maxdepth: 1
 
 installation
 dream/index
+beer/index
 sns-instruments/index
 common/index
 ```

pyproject.toml

@@ -110,6 +110,9 @@ pydocstyle.convention = "numpy"
     "S101",  # asserts are used for demonstration and are safe in notebooks
     "T201",  # printing is ok for demonstration purposes
 ]
+"docs/user-guide/beer/tof_diagrams.ipynb" = [
+    "PGH004",  # file contains too many issues - allow blanket ignore
+]
 
 [tool.ruff.format]
 quote-style = "preserve"

src/ess/beer/__init__.py

@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2025 Scipp contributors (https://github.com/scipp)
+
+"""
+Components for BEER
+"""
+
+import importlib.metadata
+
+from .io import load_beer_mcstas
+from .workflow import (
+    BeerMcStasWorkflow,
+    BeerMcStasWorkflowKnownPeaks,
+    default_parameters,
+)
+
+try:
+    __version__ = importlib.metadata.version("essdiffraction")
+except importlib.metadata.PackageNotFoundError:
+    __version__ = "0.0.0"
+
+del importlib
+
+__all__ = [
+    'BeerMcStasWorkflow',
+    'BeerMcStasWorkflowKnownPeaks',
+    '__version__',
+    'default_parameters',
+    'load_beer_mcstas',
+]