add badges, fix godoc links (#9)

README.md

@@ -1,5 +1,9 @@
 # Golang Library for HashiCorp vault
 
+[![Go Doc](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/mittwald/vaultgo)
+[![Release](https://img.shields.io/github/release/mittwald/vaultgo.svg?style=flat-square)](https://github.com/mittwald/vaultgo/releases/latest)
+![Go](https://github.com/mittwald/vaultgo/workflows/Compile%20&%20Test/badge.svg?branch=master)
+
 This is yet another golang vault client.
 It uses the [official vault go client](https://github.com/hashicorp/vault/tree/master/api) 
 but adds some requests and responses types and some convenient methods for an improved Developing experience.
@@ -21,17 +25,19 @@ Token-based and Kubernetes Auth are supported as of now.
 
 Initialize a new Vault Client using your token and endpoint:
 
-[Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-TokenBased)
+[Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-package-TokenBased)
 
 ### Kubernetes In-Cluster Example
 
-[Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-K8sInCluster)
+[Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-package-K8sInCluster)
 
 ## Usage
 
 Once the Vault Client is created, instanciate new clients for each engine:
 
-[TransitList Example](https://pkg.go.dev/github.com/mittwald/vaultgo#Transit.List)
+[TransitList Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-Transit.List)
+
+[Transit Encrypt/Decrypt Example](https://pkg.go.dev/github.com/mittwald/vaultgo#example-package-EncryptDecryptType)
 
 ### Run Tests