chore: upgrade cypress-eslint-dev to @cypress/eslint-dev (#50)

Author: brian-mann

.eslintrc

@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    "@cypress/dev"
+  ],
+  "extends": [
+    "plugin:@cypress/dev/general"
+  ]
+}

.eslintrc.json

@@ -0,0 +1,3 @@
+# don't ignore hidden files, useful for formatting json config files
+!.*.json
+**/node_modules

.estlintignore

@@ -0,0 +1,6 @@
+{
+  "eslint.enable": true,
+  "editor.formatOnSave": true,
+  // enable for eslint-plugin json-format
+  "eslint.validate": ["json"],
+}