FEAT: implement model deserialization (#132)

* BREAK: remove `ampform_dpd.simplify_latex_rendering()` alias
* ENH: support undefined `Particle.parity`
* FEAT: define `DefinedExpression` struct
* MAINT: convert `io` to subpackage

.cspell.json

@@ -38,6 +38,7 @@
     "PyPI",
     "absl",
     "arange",
+    "asdict",
     "asdot",
     "aslatex",
     "autoscale",
@@ -51,15 +52,20 @@
     "colorbar",
     "commitlint",
     "concat",
+    "costheta",
+    "difflib",
     "docnb",
     "elif",
     "endswith",
     "eqnarray",
     "eqref",
     "figsize",
     "fontsize",
+    "formfactor",
+    "funcs",
     "gcov",
     "graphviz",
+    "imag",
     "ipykernel",
     "ipynb",
     "ipython",
@@ -84,6 +90,7 @@
     "nbformat",
     "ncols",
     "ndarray",
+    "noqa",
     "noreply",
     "nrows",
     "pandoc",
@@ -103,6 +110,7 @@
     "savefig",
     "sdist",
     "seealso",
+    "setattr",
     "setuptools",
     "sharey",
     "simplefilter",
@@ -156,6 +164,8 @@
     "pytest",
     "PYTHONHASHSEED",
     "QRules",
+    "recoupling",
+    "recouplings",
     "sympify",
     "SymPy",
     "TensorWaves",

.pre-commit-config.yaml

@@ -21,6 +21,7 @@ repos:
           - --extra-keys
           - |
             cell.attachments
+            cell.id
             cell.metadata.code_folding
             cell.metadata.editable
             cell.metadata.id

docs/.gitignore

@@ -2,3 +2,4 @@
 *.json
 *.zip
 /api/
+!*.json