fix(*): default build

Author: vfadeev

.nvmrc

@@ -1 +1 @@
-v14.18.2
+v18.13.0

README.md

@@ -19,7 +19,7 @@ yarn bootstrap
 if error, check node version for `yarn` expected node version ">=14.18.2", for check and set necessary version use, for example
 ```shell
 node -v
-nvm use 14.18.2
+nvm use 18.13.0
 ```
 then use truffle to compile, test: cd into directory and then
 ```shell

deploy/package.json

@@ -21,8 +21,8 @@
     "access": "public"
   },
   "scripts":{
-    "build": "truffle compile --all --contracts_build_directory=./build/${NETWORK}",
-    "test": "truffle test --compile-all --contracts_build_directory=./build/${NETWORK}",
+    "build": "truffle compile --all --contracts_build_directory=./build/${NETWORK:=contracts}",
+    "test": "truffle test --compile-all --contracts_build_directory=./build/${NETWORK:=contracts}",
     "deploy": "./deploy.bash",
     "verify": "./verify-all.bash"
   },