Add clamp documentation to postprocess and preprocess

Author: barnasm1

src/core/include/openvino/core/preprocess/postprocess_steps.hpp

@@ -33,6 +33,11 @@ class OPENVINO_API PostProcessSteps final {
     /// \brief Default destructor
     ~PostProcessSteps();
 
+    /// \brief Add clamp postprocess operation. Clamp each element of input to the specified range [min_value,max_value]
+    /// \param min_value Minimum value to clamp to.
+    /// \param max_value Maximum value to clamp to.
+    ///
+    /// \return Reference to 'this' to allow chaining with other calls in a builder-like manner
     PostProcessSteps& clamp(double min_value, double max_value);
 
     /// \brief Add convert element type post-process operation

src/core/include/openvino/core/preprocess/preprocess_steps.hpp

@@ -36,6 +36,12 @@ class OPENVINO_API PreProcessSteps final {
     /// \brief Default destructor
     ~PreProcessSteps();
 
+    /// \brief Add clamp preprocess operation. Clamp each element of input to the specified range [min_value, max_value]
+    ///
+    /// \param min_value Minimum value to clamp to.
+    /// \param max_value Maximum value to clamp to.
+    ///
+    /// \return Reference to 'this' to allow chaining with other calls in a builder-like manner
     PreProcessSteps& clamp(double min_value, double max_value);
 
     /// \brief Add convert element type preprocess operation