Added support for layered formats

+ Formats can include sub-formats of previously defined formats
+ This search is done post config building so any format in the global config can be used
+ Clippy + fmt

formats/example.toml

@@ -48,4 +48,20 @@ field_type = {type = "String", endianness = "BigEndian", max_len = 55}
 # byte field
 [[formats.fields]]
 name = "bytes field"
-field_type = {type = "Bytes", endianness = "BigEndian", max_len = 55}
+field_type = {type = "Bytes", endianness = "BigEndian", max_len = 5}
+
+# Example of layer formats
+[[formats]]
+name = "example_layer"
+bit_flip = false
+
+# Example sub-format
+[[formats.fields]]
+name = "example sub-format"
+field_type = {type = "Format", format_name = "example"}
+
+# UInt after subfield
+[[formats.fields]]
+name = "uint field"
+print_type = {print = "Base", base=16}
+field_type = {type = "UInt", bit_width = 16, endianness = "LittleEndian"}