This patch splits golang-build task from the golang directory

Changes include:
  - moves the golang-build task to the task directory
  - copies and modifies readme file to golang-build task from golang directory
  - copies OWNERS file from golang directory
  - copies test directory from golang directory to golang-build task
  - changes the yaml filename to match the resource name

Issue: tektoncd#386

Signed-off-by: Shiv Verma <[email protected]>

task/golang-build/0.1/OWNERS

@@ -0,0 +1,4 @@
+approvers:
+- vdemeester
+reviewers:
+- vdemeester

task/golang-build/0.1/README.md

@@ -0,0 +1,49 @@
+# Golang Build
+
+This Task is Golang task to build Go projects.
+
+## Install the task
+
+```
+kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/task/golang-build/0.1/golang-build.yaml
+
+```
+
+
+### Parameters
+
+* **package**: base package under test
+* **packages**: packages to test (_default:_ ./...)
+* **version**: golang version to use for tests (_default:_ latest)
+* **flags**: flags to use for `go build` command (_default:_ -v)
+* **GOOS**: operating system target (_default:_ linux)
+* **GOARCH**: architecture target (_default:_ amd64)
+* **GO111MODULE**: value of module support (_default:_ auto)
+
+### Workspaces
+
+* **source**: A [Workspace](https://github.com/tektoncd/pipeline/blob/master/docs/workspaces.md) volume containing the source to build.
+
+
+## Usage
+
+This TaskRun runs the Task to compile commands from
+[`tektoncd/pipeline`](https://github.com/tektoncd/pipeline).
+`golangci-lint`.
+
+```yaml
+apiVersion: tekton.dev/v1beta1
+kind: TaskRun
+metadata:
+  name: build-my-code
+spec:
+  taskRef:
+    name: golang-build
+  workspaces:
+  - name: source
+    persistentVolumeClaim:
+      claimName: my-source
+  params:
+  - name: package
+    value: github.com/tektoncd/pipeline
+```

task/golang-build/0.1/test/pre-apply-task-hook.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# Add an internal registry as sidecar to the task so we can upload it directly
+# from our tests without having to go to an external registry.
+add_sidecar_registry ${TMPF}
+
+# Add git-clone
+kubectl -n ${tns} apply -f ./git/git-clone.yaml

task/golang-build/0.1/test/resources.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: golang-source-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 500Mi

task/golang-build/0.1/test/run.yaml

@@ -0,0 +1,68 @@
+---
+apiVersion: tekton.dev/v1beta1
+kind: Pipeline
+metadata:
+  name: golang-test-pipeline
+spec:
+  workspaces:
+    - name: shared-workspace
+  tasks:
+    - name: fetch-repository
+      taskRef:
+        name: git-clone
+      workspaces:
+        - name: output
+          workspace: shared-workspace
+      params:
+        - name: url
+          value: https://github.com/tektoncd/pipeline
+        - name: subdirectory
+          value: ""
+        - name: deleteExisting
+          value: "true"
+    - name: run-lint
+      taskRef:
+        name: golangci-lint
+      runAfter:
+        - fetch-repository
+      workspaces:
+        - name: source
+          workspace: shared-workspace
+      params:
+        - name: package
+          value: github.com/tektoncd/pipeline
+    - name: run-build
+      taskRef:
+        name: golang-build
+      runAfter:
+        - fetch-repository
+      workspaces:
+        - name: source
+          workspace: shared-workspace
+      params:
+        - name: package
+          value: github.com/tektoncd/pipeline
+    - name: run-test
+      taskRef:
+        name: golang-test
+      runAfter:
+        - fetch-repository
+      workspaces:
+        - name: source
+          workspace: shared-workspace
+      params:
+        - name: package
+          value: github.com/tektoncd/pipeline
+
+---
+apiVersion: tekton.dev/v1beta1
+kind: PipelineRun
+metadata:
+  name: golang-test-pipeline-run
+spec:
+  pipelineRef:
+    name: golang-test-pipeline
+  workspaces:
+    - name: shared-workspace
+      persistentvolumeclaim:
+        claimName: golang-source-pvc