Update README.md

Initialization/README.md

@@ -5,3 +5,5 @@ You will find here a couple of posts which describe the full cycle of kernel ini
 * [First steps after kernel decompression](https://github.com/0xAX/linux-insides/blob/master/Initialization/linux-initialization-1.md) - describes first steps in the kernel.
 * [Early interupt and exception handling](https://github.com/0xAX/linux-insides/blob/master/Initialization/linux-initialization-2.md) - describes early interrupts initialization and early page fault handler.
 * [Last preparations before the kernel entry point](https://github.com/0xAX/linux-insides/blob/master/Initialization/linux-initialization-3.md) - describes the last preparations before the call of the `start_kernel`.
+* [Kernel entry point](https://github.com/0xAX/linux-insides/blob/master/Initialization/linux-initialization-4.md) - describes first steps in the kernel generic code.
+* [Continue of architecture-specific initializations](https://github.com/0xAX/linux-insides/blob/master/Initialization/linux-initialization-5.md) - describes architecture-specific initialization.