chore: add configuration files

- Added .editorconfig for consistent coding styles across editors
- Added .npmrc for npm configuration settings
- Added eslint.config.mjs for ESLint configuration

Author: nimisha-gj

.editorconfig

@@ -0,0 +1,11 @@
+# http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.js,*.json,*.yml,*.ts}]
+indent_size = 2
+indent_style = space

.npmrc

@@ -0,0 +1 @@
+package-lock=false

eslint.config.mjs

@@ -0,0 +1,21 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+export default [
+  {files: ["**/*.{js,mjs,cjs,ts}"]},
+  {ignores: ["node_modules", "dist", "build"]},
+  {files: ["**/*.js"], languageOptions: {sourceType: "commonjs"}},
+  {languageOptions: { globals: globals.browser }},
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    rules: {
+      "eol-last": "error",
+      "eqeqeq": ["error", "allow-null"],
+      "indent": ["error", 2, { "MemberExpression": "off", "SwitchCase": 1 }],
+      "no-trailing-spaces": "error",
+      "no-unused-vars": ["error", { "vars": "all", "args": "none", "ignoreRestSiblings": true }]
+    }
+  }
+];

package.json

@@ -6,17 +6,22 @@
   "scripts": {
     "build": "tsc",
     "start": "node dist/index.js",
+    "lint": "eslint .",
     "dev": "nodemon --watch src --exec ts-node src/index.ts"
   },
   "author": "Nimisha G J",
   "license": "ISC",
   "devDependencies": {
+    "@eslint/js": "^9.13.0",
     "@types/node": "^22.7.5",
+    "eslint": "^9.13.0",
+    "globals": "^15.11.0",
     "nodemon": "^3.1.7",
     "ts-node": "^10.9.2",
-    "typescript": "^5.6.3"
+    "typescript": "^5.6.3",
+    "typescript-eslint": "^8.11.0"
   },
   "dependencies": {
     "ssh2": "^1.16.0"
   }
-}
+}