update README.md

Author: cmeissner

README.md

@@ -7,3 +7,40 @@
 [click](https://click.palletsprojects.com) is the `Command line interface creation kit` and it helps you to create command line interfaces with some few lines of code. Click comes with meaningful defauls to make starting with it as easy as possible.
 
 A powerful feature of click is to develop custom types to convert and/or validate user input. There are several custom types in the wild but this repository is intended to collect such custom types to make it easily accessable.
+
+## Installation
+
+Currently we support two ways of installing `click-types` on your system. We will both illustrate short in the following sections.
+
+### Installing from pypi
+
+We release all versions on [pypi.org](https://pypi.org/project/click-types/), so you can simply use `pip` to install it.
+
+~~~bash
+pip install click-types
+~~~
+
+### Install from repository
+
+Alternatively you can install it from a local clone of our [github repository](https://github.com/codeaffen/click-types).
+
+~~~bash
+$ git clone https://github.com/codeaffen/click-types.git
+Cloning into 'click-types'...
+remote: Enumerating objects: 83, done.
+remote: Counting objects: 100% (83/83), done.
+remote: Compressing objects: 100% (59/59), done.
+remote: Total 83 (delta 25), reused 72 (delta 16), pack-reused 0
+Unpacking objects: 100% (83/83), 29.77 KiB | 441.00 KiB/s, done.
+$ cd click-types/
+$ python setup.py install
+~~~
+
+## Custom types
+
+Name | Module | Description
+---- | ------ | -----------
+AnsibleVaultParamType | click_type.ansible | Manages secret values in ansible vaults. This type open the configured vault put the value to the given path and close vault.
+SemVerParamType | click_types.coding | Provides validity checks for semantic versions.
+CIDRParamType | click_types.net | Checking a given IP network/prefix if it's a valid CIDR. Both ip version (v4 and v6) are supported.
+VlanParamType | click_types.net | Validates vlan ids according to IEEE 802.1Q standard.