adding some examples for testing (we know how those should be classified)

normalizer/normalizer-prototypes/example2.inp

+{
+  "type": "nomad_section_2_0",
+  "name": "section_system",
+  "gIndex": 0,
+  "uri": "nmd://NcC8TDWGWCtQLhWeB2a1N8y9Q7y4r/CkudBi2tW4arm9RpQeCeKGh1ydES7/section_run/0c/section_system/0c", 
+  "atom_labels": [{"flatData":["In","In"],"shape":[2]},{"flatData":["In","In"],"shape":[2]}], 
+  "atom_positions": [{"flatData":[0.0,0.0,0.0,1.62382093E-10,-9.375134687502691E-11,2.6778201450000004E-10],"shape":[2,3]},{"flatData":[0.0,0.0,0.0,1.62382093E-10,-9.375134687502691E-11,2.6778201450000004E-10],"shape":[2,3]}], 
+  "configuration_periodic_dimensions": [{"flatData":[true,true,true],"shape":[3]}], 
+  "simulation_cell": {"flatData":[1.62382093E-10,-2.81254035E-10,0.0,1.62382093E-10,2.81254035E-10,0.0,0.0,0.0,5.355640290000001E-10],"shape":[3,3]}
+}

normalizer/normalizer-prototypes/example3.inp

+{
+  "type": "nomad_section_2_0",
+  "name": "section_system",
+  "gIndex": 0,
+  "uri": "nmd://NcC8TDWGWCtQLhWeB2a1N8y9Q7y4r/CCDeb8diABbP4BgHPwHeKgmdzadEM/section_run/0c/section_system/0c", 
+  "atom_labels": [{"flatData":["Sn","Sn"],"shape":[2]},{"flatData":["Sn","Sn"],"shape":[2]}], 
+  "atom_positions": [{"flatData":[0.0,0.0,0.0,1.6415278E-10,-9.477365356213973E-11,2.724677455E-10],"shape":[2,3]},{"flatData":[0.0,0.0,0.0,1.6415278E-10,-9.477365356213973E-11,2.724677455E-10],"shape":[2,3]}], 
+  "configuration_periodic_dimensions": [{"flatData":[true,true,true],"shape":[3]}], 
+  "simulation_cell": {"flatData":[1.6415278E-10,-2.84320955E-10,0.0,1.6415278E-10,2.84320955E-10,0.0,0.0,0.0,5.44935491E-10],"shape":[3,3]}
+}
\ No newline at end of file

normalizer/normalizer-prototypes/example4.inp

+{
+  "type": "nomad_section_2_0",
+  "name": "section_system",
+  "gIndex": 0,
+  "uri": "nmd://NcC8TDWGWCtQLhWeB2a1N8y9Q7y4r/Cx_ur73_FOgMaVin27w-dT6nh3dvN/section_run/0c/section_system/0c", 
+  "atom_labels": [{"flatData":["In"],"shape":[1]},{"flatData":["In"],"shape":[1]}], 
+  "atom_positions": [{"flatData":[0.0,0.0,0.0],"shape":[1,3]},{"flatData":[0.0,0.0,0.0],"shape":[1,3]}], 
+  "configuration_periodic_dimensions": [{"flatData":[true,true,true],"shape":[3]}], 
+  "simulation_cell": {"flatData":[-1.83172656E-10,1.83172656E-10,1.83172656E-10,1.83172656E-10,-1.83172656E-10,1.83172656E-10,1.83172656E-10,1.83172656E-10,-1.83172656E-10],"shape":[3,3]}
+}