Update docs. Refactor with expands

Readme.md

@@ -10,25 +10,32 @@ The easiest method of installation and update is to use docker and docker-compos
 
 ### Docker install
 
-#### Install python-pip for Centos/RHEL
+#### Install python-pip 
+<details>
+<summary>CentOS/RHEL </summary>
 
-```
+<pre><code>
 yum install python-setuptools
 easy_install pip
-```
+</code></pre>
+</details>
 
-#### How to install python-pip for Debian/Ubuntu
-```
-apt update; apt install --no-install-recommends python-pip curl
-```
+<details>
+<summary>Debian/Ubuntu</summary>
 
-Install docker daemon
+<pre><code>
+apt update
+apt install --no-install-recommends python-pip curl
+</code></pre>
+</details>
+
+#### Install docker daemon
 ```
 curl https://get.docker.com | sudo sh 
 systemctl start docker 
 ```
 
-Install docker compose 
+#### Install docker compose 
 ```
 pip install docker-compose
 mkdir /etc/docker-compose/tower -p
@@ -37,18 +44,24 @@ mkdir /etc/docker-compose/tower -p
 ### Setup tower 
 Place `docker-compose.yml` from project root to `/etc/docker-compose/tower`
 ```
-cd /etc/docker-compose/tower
 curl https://code.getnoc.com/noc/tower/raw/master/docker-compose.yml > /etc/docker-compose/tower/docker-compose.yml
+cd /etc/docker-compose/tower
 docker-compose up -d 
 ```
 That it. 
 
-Also you can choose the loong way of manual installation 
-* [Debian](docs/Debian.md)
-* [Centos](docs/CentOS.md)
-* [Ubuntu](docs/Ubuntu.md)
-* [Red Hat](docs/RHEL.md)
-* [FreeBSD](docs/FreeBSD.md)
+<details>
+<summary>Also you can choose the long way of manual installation </summary>
+These details will remain hidden until expanded.
+
+<ul dir="auto">
+<li><a href="/noc/tower/blob/master/docs/Debian.md">Debian</a></li>
+<li><a href="/noc/tower/blob/master/docs/CentOS.md">Centos</a></li>
+<li><a href="/noc/tower/blob/master/docs/Ubuntu.md">Ubuntu</a></li>
+<li><a href="/noc/tower/blob/master/docs/RHEL.md">Red Hat</a></li>
+<li><a href="/noc/tower/blob/master/docs/FreeBSD.md">FreeBSD</a></li>
+</ul>
+</details>
 
 
 ## Prepare nodes