add missing environment file

millix_node/.gitignore

 node_modules
 package-lock.json
 data/keys.json
-/core/config/environment.js

millix_node/core/config/environment.js

+export const SHOW_API_ERROR_IN_MODAL = false;
+
+const MODE_TEST_NETWORK                   = true;
+const NODE_MILLIX_VERSION                 = '1.20.4-testnet';
+const DATA_BASE_DIR_MAIN_NETWORK          = './millix-tangled-testnet';
+const DATA_BASE_DIR_TEST_NETWORK          = './millix-tangled-testnet';
+const CONSENSUS_ROUND_NODE_COUNT          = 2;
+const CONSENSUS_ROUND_VALIDATION_REQUIRED = 1;
+const CONSENSUS_ROUND_VALIDATION_MAX      = 3;
+const CONSENSUS_ROUND_NOT_FOUND_MAX       = 3;
+const CONSENSUS_ROUND_DOUBLE_SPEND_MAX    = 3;
+
+export default {
+    MODE_TEST_NETWORK,
+    NODE_MILLIX_VERSION,
+    DATA_BASE_DIR_MAIN_NETWORK,
+    DATA_BASE_DIR_TEST_NETWORK,
+    CONSENSUS_ROUND_NODE_COUNT,
+    CONSENSUS_ROUND_VALIDATION_REQUIRED,
+    CONSENSUS_ROUND_VALIDATION_MAX,
+    CONSENSUS_ROUND_NOT_FOUND_MAX,
+    CONSENSUS_ROUND_DOUBLE_SPEND_MAX
+};