docs: add installing guide

README.md

@@ -1,3 +1,47 @@
 # NX Useful libs collection
 
 Checkout documentation: https://temarusanov.github.io/nx/
+
+## Installing
+
+### Install Ansible
+
+Check full tutorial about Ansible installing [here](https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-ansible-on-ubuntu-20-04)
+
+```bash
+sudo apt-add-repository ppa:ansible/ansible
+```
+
+```bash
+sudo apt update
+```
+
+```bash
+sudo apt install ansible
+```
+
+If you don't have `docker` and `nvm` install then locate to `devops/ansible` and run
+
+```bash
+ansible-playbook prepare_environment.yml --ask-become-pass
+```
+
+## Run
+
+Install dependencies
+
+```bash
+npm install
+```
+
+Use container command to create a docker image
+
+```bash
+npx nx container
+```
+
+Run full environment in docker containers
+
+```
+ansible-playbook start_app.yml --ask-become-pass
+```