Add the CLion practice projects

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

uOMG/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.14)
+project(uOMG C)
+
+set(CMAKE_C_STANDARD 11)
+
+add_executable(uOMG main.c)

uOMG/main.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+    printf("Hello, World!\n");
+    return 0;
+}