Draft: Resolve "Implementation of new nodes creation"

Closes #454, #318, #364, #449, #381, #376, #208, #485

test/gtest_schema.cpp

@@ -125,7 +125,7 @@ TEST(Schema, validate_all_schemas)
 TEST(Schema, duplicated_schemas)
 {
     std::map<std::string, std::string> schemas_found;
-    unsigned int n_duplicated = 0;
+    unsigned int                       n_duplicated = 0;
     for (auto const& entry : filesystem::recursive_directory_iterator(wolf_dir))
     {
         if (filesystem::is_regular_file(entry) and entry.path().extension().string() == ".schema")
@@ -142,7 +142,8 @@ TEST(Schema, duplicated_schemas)
     }
     ASSERT_EQ(n_duplicated, 0);
     WOLF_INFO_COND(n_duplicated == 0, "Found ", schemas_found.size(), " schema files.");
-    WOLF_ERROR_COND(n_duplicated != 0, "Found ", n_duplicated, " duplicated schemas in ", schemas_found.size(), " schema files.");
+    WOLF_ERROR_COND(
+        n_duplicated != 0, "Found ", n_duplicated, " duplicated schemas in ", schemas_found.size(), " schema files.");
 }
 
 int main(int argc, char** argv)