Added onboarding files

test.cpp

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+// Another simple C++ script with formatting and linting issues for clang-format
+// and clang-tidy.
+
+#include <iostream>
+
+int add(int a,
+        int b) {  // Missing space between parameters for clang-format to catch.
+  return a + b;   // Inconsistent spacing around operators.
+}
+
+void printSum(int a, int b) {  // Formatting issue with parameters.
+  std::cout << "The sum of " << a << " and " << b << " is: " << add(a, b)
+            << std::endl;  // Missing spaces in function call.
+}
+
+int main() {
+  int x = 10;  // No space between `=` and value.
+  int y = 20;
+  printSum(x, y);  // Misformatted function call.
+  return 0;
+}

test.py

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+# Another simple Python script with formatting and linting issues.
+
+
+def factorial(n):
+    if n == 1:
+        return 1  # Improper indentation and return statement on the same line.
+    else:
+        return n * factorial(n - 1)  # Missing spaces around operators.
+
+
+def main():
+    num = 5  # Extra spaces around the assignment.
+    print(
+        "Factorial of", num, "is", factorial(num)
+    )  # Missing space before the function call.
+
+
+main()