Update README.md

Author: SoftStoneDevelop

README.md

@@ -14,6 +14,87 @@ Supported collections:
 - List [TODO](https://github.com/SoftStoneDevelop/StackMemoryCollections/issues/1)
 - Queue [TODO](https://github.com/SoftStoneDevelop/StackMemoryCollections/issues/2)
 
+Usage:
+
+```C#
+//Marking a class/struct with attributes is all that is required of you.
+[GenerateHelper]
+[GenerateStack]
+[GenerateWrapper]
+public struct JobStruct
+{
+    public JobStruct(
+        int int32,
+        long int64
+        )
+    {
+        Int32 = int32;
+        Int64 = int64;
+        JobStruct2 = default;
+    }
+
+    public long Int64;
+    public int Int32;
+    public JobStruct2 JobStruct2;
+}
+
+```
+
+```C#
+//Stack of pointers
+unsafe
+{
+    using (var memory = new StackMemoryCollections.Struct.StackMemory(JobStructHelper.GetSize() + (nuint)sizeof(IntPtr)))
+    {
+        using var stack = new StackMemoryCollections.Struct.StackOfIntPtr(1, &memory);
+        {
+            var item = new Struct.JobStructWrapper(&memory);
+            item.Int32 = 456;
+            stack.Push(new IntPtr(item.Ptr));
+        }
+        var item2 = new Struct.JobStructWrapper(stack.Top().ToPointer());
+        //item2 point to same memory as is item
+    }
+}
+```
+
+```C#
+//Stack of structures
+//All alocate memory = JobStructHelper.GetSize() * (nuint)100)
+unsafe
+{
+    using (var memory = new StackMemoryCollections.Struct.StackMemory(JobStructHelper.GetSize() * (nuint)100))//allocate memory
+    {
+        var item = new JobStruct(0, 0);
+        
+        {
+            using var stack = new Benchmark.Struct.StackOfJobStruct((nuint)Size, &memory);//get memory
+            for (int i = 0; i < Size; i++)
+            {
+                item.Int32 = i;
+                item.Int64 = i * 2;
+                item.JobStruct2.Int32 = 15;
+                item.JobStruct2.Int64 = 36;
+                stack.Push(in item);
+            }
+        
+            //Do whatever you want with stack
+        }//return memory
+
+        var stack2 = new Benchmark.Struct.StackOfJobStruct((nuint)Size, &memory);//get memory
+        for (int i = 0; i < 100; i++)
+        {
+            item.Int32 = i;
+            item.Int64 = i * 2;
+            item.JobStruct2.Int32 = 15;
+            item.JobStruct2.Int64 = 36;
+            stack2.Push(in item);
+        }
+    }//free all memory
+}
+
+```
+
 ## Benchmarks:
 
 <details><summary>Stack</summary>