Adjust eslint config (#1780)

.eslintrc.cjs

@@ -0,0 +1,24 @@
+// Copyright 2020-2022 @polkadot/phishing authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+const base = require('@polkadot/dev/config/eslint.cjs');
+
+module.exports = {
+  ...base,
+  ignorePatterns: [
+    ...base.ignorePatterns,
+    'jest/**/*',
+    '**/deno/*.ts'
+  ],
+  parserOptions: {
+    ...base.parserOptions,
+    project: [
+      './tsconfig.eslint.json'
+    ]
+  },
+  rules: {
+    ...base.rules,
+    // this seems very broken atm, false positives
+    '@typescript-eslint/unbound-method': 'off'
+  }
+};