Add markdown format support (#25)

Co-authored-by: Dawid Dziurla <dawidd0811@gmail.com>

node_modules/cliui/package.json

@@ -0,0 +1,99 @@
+{
+  "_from": "cliui@^5.0.0",
+  "_id": "cliui@5.0.0",
+  "_inBundle": false,
+  "_integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
+  "_location": "/cliui",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "cliui@^5.0.0",
+    "name": "cliui",
+    "escapedName": "cliui",
+    "rawSpec": "^5.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^5.0.0"
+  },
+  "_requiredBy": [
+    "/yargs"
+  ],
+  "_resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+  "_shasum": "deefcfdb2e800784aa34f46fa08e06851c7bbbc5",
+  "_spec": "cliui@^5.0.0",
+  "_where": "/Users/dougpa/action-send-mail/node_modules/yargs",
+  "author": {
+    "name": "Ben Coe",
+    "email": "ben@npmjs.com"
+  },
+  "bugs": {
+    "url": "https://github.com/yargs/cliui/issues"
+  },
+  "bundleDependencies": false,
+  "config": {
+    "blanket": {
+      "pattern": [
+        "index.js"
+      ],
+      "data-cover-never": [
+        "node_modules",
+        "test"
+      ],
+      "output-reporter": "spec"
+    }
+  },
+  "dependencies": {
+    "string-width": "^3.1.0",
+    "strip-ansi": "^5.2.0",
+    "wrap-ansi": "^5.1.0"
+  },
+  "deprecated": false,
+  "description": "easily create complex multi-column command-line-interfaces",
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "chalk": "^2.4.2",
+    "coveralls": "^3.0.3",
+    "mocha": "^6.0.2",
+    "nyc": "^13.3.0",
+    "standard": "^12.0.1",
+    "standard-version": "^5.0.2"
+  },
+  "engine": {
+    "node": ">=6"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/yargs/cliui#readme",
+  "keywords": [
+    "cli",
+    "command-line",
+    "layout",
+    "design",
+    "console",
+    "wrap",
+    "table"
+  ],
+  "license": "ISC",
+  "main": "index.js",
+  "name": "cliui",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/yargs/cliui.git"
+  },
+  "scripts": {
+    "coverage": "nyc --reporter=text-lcov mocha | coveralls",
+    "pretest": "standard",
+    "release": "standard-version",
+    "test": "nyc mocha"
+  },
+  "standard": {
+    "ignore": [
+      "**/example/**"
+    ],
+    "globals": [
+      "it"
+    ]
+  },
+  "version": "5.0.0"
+}