[NFC] polish colossalai/kernel/cuda_native/csrc/kernels/include/feed_forward.h (#968)

code style

colossalai/kernel/cuda_native/csrc/kernels/include/feed_forward.h

@@ -13,14 +13,16 @@
 #include "cublas_wrappers.h"
 #include "kernels.h"
 
-template <typename T> class FeedForward {
-public:
+template <typename T>
+class FeedForward {
+ public:
   struct Config {
     int outputSize;
     int inputSize;
     std::array<int, 3> gemm_algos;
     Config(int outputs, int inputs)
-        : outputSize(outputs), inputSize(inputs),
+        : outputSize(outputs),
+          inputSize(inputs),
           gemm_algos(std::array<int, 3>({99, 99, 99})) {}
   };
 
@@ -61,6 +63,6 @@ public:
     config_.inputSize = inputSize;
   }
 
-private:
+ private:
   Config config_;
 };