implement config

package.json

@@ -6,9 +6,9 @@
     "test": "bun test",
     "typecheck": "tsc --noEmit"
   },
-
   "dependencies": {
-    "log": "git+https://git.pband.ch/typescript/log.git"
+    "log": "git+https://git.pband.ch/typescript/log.git",
+    "yup": "^1.7.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.35.0",
@@ -17,15 +17,15 @@
     "eslint": "^9.35.0",
     "globals": "^16.4.0",
     "jiti": "^2.5.1",
+    "logger-console": "git+https://git.pband.ch/typescript/logger-console.git",
     "prettier": "^3.6.2",
+    "tmp": "^0.2.5",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.43.0"
   },
-
   "name": "config",
   "description": "Parse configuration from env or files",
   "version": "1.0.0",
-
   "author": "Pascal Perrenoud <pascal@pband.ch>",
   "type": "module",
   "main": "./src/index.ts",