chore: add shared ESLint and Prettier configuration

Closes #615

- Add @probo/eslint-config package with ESLint 9.x flat config
- Enhance @probo/prettier with aligned stylistic rules
- Migrate console, trust, and UI packages to shared config
- Remove duplicate ESLint dependencies from individual packages

Signed-off-by: Yash Gupta <yash3144@gmail.com>

packages/eslint-config/package.json

@@ -0,0 +1,25 @@
+{
+    "name": "@probo/eslint-config",
+    "version": "1.0.0",
+    "private": true,
+    "description": "Shared ESLint configuration for Probo monorepo",
+    "main": "eslint.config.mjs",
+    "type": "module",
+    "scripts": {},
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "@eslint/js": "^9.25.0",
+        "@stylistic/eslint-plugin": "^4.2.0",
+        "eslint-config-prettier": "^9.1.0",
+        "eslint-plugin-prettier": "^5.2.1",
+        "eslint-plugin-react-hooks": "^5.2.0",
+        "globals": "^16.0.0",
+        "typescript-eslint": "^8.30.1"
+    },
+    "peerDependencies": {
+        "eslint": "^9.25.0",
+        "prettier": "^3.5.3"
+    }
+}