Fully statically linked for both x64 and arm64. Updated build.sh to always compile both versions

nostr_core/nostr_crypto.c

@@ -24,10 +24,11 @@
 // UTILITY FUNCTIONS
 // =============================================================================
 
-// Memory clearing utility
-static void memory_clear(void *p, size_t len) {
+// Memory clearing utility - accepts const pointers for security clearing
+static void memory_clear(const void *p, size_t len) {
     if (p && len) {
-        memset(p, 0, len);
+        // Cast away const for memset - this is safe for security clearing
+        memset((void *)p, 0, len);
     }
 }