First commit on a late git install

tests/simple_init_test.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include "../nostr_core/nostr_core.h"
+
+int main(void) {
+    printf("Testing basic library initialization...\n");
+    
+    int result = nostr_init();
+    if (result != NOSTR_SUCCESS) {
+        printf("FAILED: nostr_init() returned %d\n", result);
+        return 1;
+    }
+    
+    printf("SUCCESS: Library initialized\n");
+    
+    nostr_cleanup();
+    printf("SUCCESS: Library cleaned up\n");
+    
+    return 0;
+}