Merged in chore/eslint9 (pull request #2029)

chore: Update to ESLint 9

* wip: apply codemod and upgrade swc plugin

* Update eslint to 9 in scandic-web

apply code mod to config
fix existing lint issues

* Remove uneccessary fixupConfigRules

* Update eslint to 9 in design-system

* Add lint turbo dependency

* Move redis-api to eslint and prettier instead of biome

* Simplify eslint configs

* Clean up

* Apply linting


Approved-by: Linus Flood

apps/redis-api/package.json

@@ -1,10 +1,11 @@
 {
-    "name": "redis-api",
+    "name": "@scandic-hotels/redis-api",
     "module": "index.ts",
     "type": "module",
     "private": true,
     "scripts": {
-        "dev": "bun --watch src/index.ts | pino-pretty -o '{if module}[{module}] {end}{msg}' -i pid,hostname"
+        "dev": "bun --watch src/index.ts | pino-pretty -o '{if module}[{module}] {end}{msg}' -i pid,hostname",
+        "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0 && tsc"
     },
     "dependencies": {
         "@elysiajs/server-timing": "^1.3.0",
@@ -17,9 +18,18 @@
         "pino": "^9.6.0"
     },
     "devDependencies": {
-        "@biomejs/biome": "^1.9.4",
+        "@eslint/eslintrc": "^3.3.1",
+        "@eslint/js": "^9.26.0",
         "@types/bun": "latest",
+        "@typescript-eslint/eslint-plugin": "^8.32.0",
+        "@typescript-eslint/parser": "^8.32.0",
+        "eslint": "^9",
+        "eslint-plugin-simple-import-sort": "^10.0.0",
         "pino-pretty": "^13.0.0",
+        "prettier": "^3.5.3",
         "typescript": "^5.7.2"
+    },
+    "prettier": {
+        "tabWidth": 4
     }
 }