implement issue parser and markdown drawer

Author: maxim-lobanov

.eslintrc.json

@@ -0,0 +1,22 @@
+{
+    "env": {
+        "node": true,
+        "es6": true,
+        "jest/globals": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:jest/recommended",
+        "prettier"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "project": "./tsconfig.eslint.json",
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": ["@typescript-eslint", "jest"],
+    "ignorePatterns": ["node_modules/"]
+}

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+lib

.prettierrc.json

@@ -0,0 +1,5 @@
+{
+    "printWidth": 120,
+    "tabWidth": 4,
+    "arrowParens": "avoid"
+}

action.yml

@@ -0,0 +1,10 @@
+name: 'Build issue dependencies graph'
+author: 'Maksim Lobanov'
+description: 'Update epic issue with mermaid diagram that contains dependencies between all issues included to epic'
+inputs:
+  root-issue-url:
+    description: 'Url of root issue'
+    required: true
+runs:
+  using: 'node16'
+  main: 'dist/index.js'