Add example for setting Wyckoff sites

doc/requirements.in

@@ -3,5 +3,6 @@ furo
 numpy>=1.26.4
 sphinx>=7.3.7
 sphinx-copybutton
+sphinx-inline-tabs
 sphinx-notfound-page
 pytest-doctestplus

doc/requirements.txt

@@ -71,6 +71,8 @@ sphinx-basic-ng==1.0.0b2
     # via furo
 sphinx-copybutton==0.5.2
     # via -r doc/requirements.in
+sphinx-inline-tabs==2023.04.21
+    # via -r doc/requirements.in
 sphinx-notfound-page==1.1.0
     # via -r doc/requirements.in
 sphinxcontrib-applehelp==2.0.0

doc/source/betamn.cif

@@ -0,0 +1,52 @@
+data_beta_manganese
+
+_chemical_name_mineral "beta"
+_chemical_formula_sum "Mn"
+
+_symmetry_Int_Tables_number 213
+
+_cell_length_a    6.315000
+_cell_length_b    6.315000
+_cell_length_c    6.315000
+_cell_angle_alpha 90.00000
+_cell_angle_beta  90.00000
+_cell_angle_gamma 90.00000
+
+loop_
+_space_group_symop_id
+_space_group_symop_operation_xyz
+1 x,y,z
+2 x+1/2,-y+1/2,-z
+3 -x,y+1/2,-z+1/2
+4 -x+1/2,-y,z+1/2
+5 y,z,x
+6 y+1/2,-z+1/2,-x
+7 -y,z+1/2,-x+1/2
+8 -y+1/2,-z,x+1/2
+9 z,x,y
+10 z+1/2,-x+1/2,-y
+11 -z,x+1/2,-y+1/2
+12 -z+1/2,-x,y+1/2
+13 -y+3/4,-x+3/4,-z+3/4
+14 -y+1/4,x+3/4,z+1/4
+15 y+1/4,-x+1/4,z+3/4
+16 y+3/4,x+1/4,-z+1/4
+17 -x+3/4,-z+3/4,-y+3/4
+18 -x+1/4,z+3/4,y+1/4
+19 x+1/4,-z+1/4,y+3/4
+20 x+3/4,z+1/4,-y+1/4
+21 -z+3/4,-y+3/4,-x+3/4
+22 -z+1/4,y+3/4,x+1/4
+23 z+1/4,-y+1/4,x+3/4
+24 z+3/4,y+1/4,-x+1/4
+
+loop_
+_atom_site_label
+_atom_site_type_symbol
+_atom_site_symmetry_multiplicity
+_atom_site_Wyckoff_label
+_atom_site_fract_x
+_atom_site_fract_y
+_atom_site_fract_z
+Mn1 Mn   8 c 0.06361 0.06361 0.06361
+Mn2 Mn  12 d 0.12500 0.20224 0.45224

doc/source/conf.py

@@ -26,6 +26,7 @@
     "sphinx.ext.intersphinx",
     "sphinx.ext.napoleon",
     "sphinx_copybutton",
+    "sphinx_inline_tabs",
     "pytest_doctestplus.sphinx.doctestplus",
     "autodocsumm",
     "notfound.extension",