feat: add initial structure of the project and first feature to validate asyncapi files

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.yml]
+indent_style = space
+indent_size = 2

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.gitignore

@@ -1,2 +1,5 @@
 
 .DS_Store
+/node_modules/
+/dist/
+.idea

README.md

@@ -1,5 +1,31 @@
-WORK IN PROGRESS
+<h5 align="center">
+  <br>
+  <a href="https://www.asyncapi.org"><img src="https://github.com/asyncapi/parser-nodejs/raw/master/assets/logo.png" alt="AsyncAPI logo" width="200"></a>
+  <br>
+  AsyncAPI CLI
+</h5>
+<p align="center">
+  <em>CLI to work with your AsyncAPI files. Currently supports validation, but it is under development for more features.</em>
+</p>
 
-CLI to work with your AsyncAPI files. You can validate them, use generator and even bootstrap a new file.
+### Install
+```bash
+$ npm install --global @asyncapi/cli
+```
 
-Feel free to jump into the issues/PRs section and give your feedback on what we want to work on.
+### CLI
+```
+$ asyncapi --help
+
+Usage
+  $ asyncapi command options
+
+Commands
+  validate 
+   Options
+     -c --context  Your AsyncAPI specification
+     -w --watch Enable watchMode (not implemented yet)
+
+Examples
+  $ asyncapi validate --context=specification.yml
+```