feat/kernel: Added support for Kconfig and flanterm if needed

kernel/Kconfig

@@ -0,0 +1,33 @@
+mainmenu "EMK Build Configuration"
+
+choice
+    prompt "Build Mode"
+    default BUILD_MODE_DEBUG
+
+config BUILD_MODE_DEBUG
+    bool "Debug"
+    help
+      Build with debug symbols and no optimizations.
+
+config BUILD_MODE_RELEASE
+    bool "Release"
+    help
+      Build with optimizations and no debug symbols.
+
+endchoice
+
+choice
+    prompt "Kernel Heap Algorithm"
+    default KERNEL_HEAP_FF
+
+config KERNEL_HEAP_FF
+    bool "First-Fit"
+    help
+      Use the First-Fit memory allocation algorithm (ff.c).
+
+endchoice
+
+config ENABLE_FLANTERM
+    bool "Enable Flanterm Support"
+    help
+      Includes support for the Flanterm terminal emulator. Useful for debugging real hardware.