feature: implement contest.status module

The commit adds the contest.status module, also it made the setup
for the CodeforcesClient module, with few of the interfaces for CF API.

.eslintrc.js

@@ -2,11 +2,13 @@ module.exports = {
   env: {
     es6: true,
     node: true,
+    "jest/globals": true
   },
   extends: [
     'airbnb-base',
     "prettier/@typescript-eslint",
-    "plugin:prettier/recommended"
+    "plugin:prettier/recommended",
+    "plugin:jest/recommended"
   ],
   globals: {
     Atomics: 'readonly',
@@ -19,9 +21,19 @@ module.exports = {
   },
   plugins: [
     '@typescript-eslint',
+    'jest'
   ],
   rules: {
+    "@typescript-eslint/no-unused-vars": 2,
     "import/prefer-default-export": 0,
     "no-underscore-dangle": 0,
+    "class-methods-use-this": 0,
   },
+  settings: {
+    "import/resolver": {
+      node: {
+        extensions: [".js", ".ts"]
+      }
+    }
+  }
 };

.vscode/settings.json

@@ -4,5 +4,6 @@
   "eslint.autoFixOnSave": true,
   "eslint.validate": [
     { "language": "typescript", "autoFix": true },
-  ]
+  ],
+"cSpell.words": ["Codeforces"]
 }

jest.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  roots: [
+    "./src"
+  ],
+  transform: {
+    "^.+\\.tsx?$": "ts-jest"
+  },
+  setupFiles: ["dotenv/config"],
+}