Prepare XMRig-HAC fork for public release

- Add DragonX coin and rx/hush algorithm support
- Update branding to XMRig-HAC / dragonx.is
- Update repository URLs to git.hush.is
- Replace example wallet addresses with placeholders
- Update .gitignore for build directories
- Document fork changes in README and CHANGELOG

cmake/OpenSSL.cmake

@@ -14,8 +14,20 @@ if (WITH_TLS)
         set(OPENSSL_USE_STATIC_LIBS TRUE)
     endif()
 
+    # For cross-compilation, allow manual specification of OpenSSL paths
+    if (CMAKE_CROSSCOMPILING AND XMRIG_DEPS)
+        set(OPENSSL_INCLUDE_DIR "${XMRIG_DEPS}/include" CACHE PATH "OpenSSL include dir")
+        set(OPENSSL_CRYPTO_LIBRARY "${XMRIG_DEPS}/lib/libcrypto.a" CACHE FILEPATH "OpenSSL crypto lib")
+        set(OPENSSL_SSL_LIBRARY "${XMRIG_DEPS}/lib/libssl.a" CACHE FILEPATH "OpenSSL ssl lib")
+        if (EXISTS "${OPENSSL_CRYPTO_LIBRARY}" AND EXISTS "${OPENSSL_SSL_LIBRARY}" AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/ssl.h")
+            set(OPENSSL_FOUND TRUE)
+            set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
+        endif()
+    endif()
 
-    find_package(OpenSSL)
+    if (NOT OPENSSL_FOUND)
+        find_package(OpenSSL)
+    endif()
 
     if (OPENSSL_FOUND)
         set(TLS_SOURCES