Add ESLint configuration and remove obsolete .eslintignore file

Author: bbodine1

.eslintignore

@@ -0,0 +1,15 @@
+// eslint.config.mjs
+
+export default [
+  {
+    ignores: [
+      "**/node_modules/",
+      "dist/",
+      "coverage/",
+      ".husky/",
+      ".vscode/",
+      "public/",
+      ".yarn/"
+    ]
+  },
+];