chore(index): export guardDefined

Author: sciborrudnicki

packages/type/src/guard/index.ts

@@ -5,6 +5,7 @@ export { guardArray } from './lib/guard-array.func';
 export { guardBigInt } from './lib/guard-big-int.func';
 export { guardBoolean } from './lib/guard-boolean.func';
 export { guardClass } from './lib/guard-class.func';
+export { guardDefined } from './lib/guard-defined.func';
 export { guardFunction } from './lib/guard-function.func';
 export { guardInstance } from './lib/guard-instance.func';
 export { guardKey } from './lib/guard-key.func';