add feature for thermo rawfile support

Note that this feauture needs to be called thermorawfilereader. mzdata's
feature is called thermo, but the checks, including the one in the
`mz_read` macro tests for thermorawfilereader. The feature here needs to
match the one tested for in the macro, otherwise rawfiles are detected
as a file type, but the macro still wouldn't support it.

Cargo.toml

@@ -8,6 +8,11 @@ edition = "2021"
 name = "ms2rescore_rs"
 crate-type = ["cdylib"]
 
+[features]
+default = ["thermorawfilereader"]
+
+thermorawfilereader = ["mzdata/thermo"]
+
 [dependencies]
 pyo3 = "0.20.0"
 mzdata = "0.26.0"