feat: initial commit — tcb_devportal Next.js app

Includes Helm chart (tcb-devportal), Jenkinsfile with homelab CI pipeline,
and Next.js app source.

eslint.config.mjs

@@ -0,0 +1,48 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+import globals from "globals";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+    "coverage/**",
+  ]),
+  // Tests: Jest globals + relax rules that are noisy for mocks/spies (RULE-QUA-01: no bare file-wide disable).
+  {
+    name: "test-files",
+    files: [
+      "**/*.test.ts",
+      "**/*.test.tsx",
+      "**/_tests_/**/*.ts",
+      "**/_tests_/**/*.tsx",
+    ],
+    languageOptions: {
+      globals: {
+        ...globals.jest,
+      },
+    },
+    rules: {
+      "@typescript-eslint/no-explicit-any": "off",
+      "@typescript-eslint/no-require-imports": "off",
+      "@next/next/no-assign-module-variable": "off",
+      "@next/next/no-img-element": "off",
+      "@next/next/no-html-link-for-pages": "off",
+      "react/display-name": "off",
+      "react-hooks/globals": "off",
+      "react-hooks/refs": "off",
+      "jsx-a11y/alt-text": "off",
+      "jsx-a11y/role-has-required-aria-props": "off",
+      "react-hooks/incompatible-library": "off",
+    },
+  },
+]);
+
+export default eslintConfig;