Use ffizz_header to generate taskchampion.h

taskchampion/lib/src/result.rs

@@ -1,7 +1,23 @@
+#[ffizz_header::item]
+#[ffizz(order = 100)]
+/// ***** TCResult *****
+///
 /// A result from a TC operation.  Typically if this value is TC_RESULT_ERROR,
 /// the associated object's `tc_.._error` method will return an error message.
-/// cbindgen:prefix-with-name
-/// cbindgen:rename-all=ScreamingSnakeCase
+///
+/// ```c
+/// enum TCResult
+/// #ifdef __cplusplus
+///   : int32_t
+/// #endif // __cplusplus
+/// {
+///   TC_RESULT_ERROR = -1,
+///   TC_RESULT_OK = 0,
+/// };
+/// #ifndef __cplusplus
+/// typedef int32_t TCResult;
+/// #endif // __cplusplus
+/// ```
 #[repr(i32)]
 pub enum TCResult {
     Error = -1,