fix/ESLint: Resolve unexpected "React version..." warning

.eslintrc.js

@@ -31,4 +31,21 @@ module.exports = {
       },
     },
   ],
+  settings: {
+    // Even though we don't use React in our project, for some unknown reason
+    // ESLint reports the following warning:
+    //
+    // ```
+    // Warning: React version was set to "detect" in eslint-plugin-react
+    // settings, but the "react" package is not installed. Assuming latest
+    // React version for linting.
+    // ```
+    //
+    // This "hack" resolves it.
+    //
+    // Source: https://github.com/DRD4-7R/eslint-config-7r-building/issues/1
+    react: {
+      version: '999.999.999',
+    },
+  },
 };