Adding a blog post on Tekton tasks

Signed-off-by: Matt Farina <matt.farina@suse.com>

content/blog/2021-01-28-discover-tekton-tasks/index.md

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+---
+title: "Discover Tekton Tasks"
+date: 2021-01-28T00:00:00-05:00
+author: "Matt Farina"
+authorLink: "https://mattfarina.com"
+slug: "discover-tekton-tasks"
+---
+
+Artifact Hub has already provided search and discovery for Helm charts, OLM based operators, Falco rules, OPA policies, Tinkerbell actions, Krew (kubectl) plugins, and Helm plugins. These are all [CNCF](https://www.cncf.io/) project related artifacts. We are happy to share that we have expanded beyond the CNCF to support another non-profit foundation based project with support for [Tekton](https://tekton.dev/) tasks.<!--more-->
+
+Tekton is, in the words of their website:
+
+> Tekton is a powerful and flexible open-source framework for creating CI/CD systems, allowing developers to build, test, and deploy across cloud providers and on-premise systems.
+
+You can [browse the existing Tekton tasks](https://artifacthub.io/packages/search?page=1&kind=7) (as shown below) and even [get your own tasks listed](https://artifacthub.io/docs/topics/repositories/#tekton-tasks-repositories).
+
+[![Tekton tasks on Artifact Hub](tekton.png)](https://artifacthub.io/packages/search?page=1&kind=7)
+
+Tekton is a [cd.foundation](https://cd.foundation/) project. The cd.foundation is another Linux Foundation sub-foundation alongside the CNCF.