chore: add vdr-sidetree workflow (#43)

Signed-off-by: Firas Qutishat <firas.qutishat@securekey.com>

Author: fqutishat

.github/workflows/vdr-sidetree.yml

@@ -0,0 +1,51 @@
+#
+# Copyright SecureKey Technologies Inc. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+name: vdr-sidetree
+on:
+  push:
+    paths:
+      - 'component/vdr/sidetree/**'
+  pull_request:
+    paths:
+      - 'component/vdr/sidetree/**'
+jobs:
+  linter:
+    name: Go linter
+    timeout-minutes: 10
+    env:
+      LINT_PATH: component/vdr/sidetree
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Checks linter
+        timeout-minutes: 10
+        run: make lint
+  unitTest:
+    name: Unit test
+    runs-on: ubuntu-18.04
+    timeout-minutes: 15
+    env:
+      UNIT_TESTS_PATH: component/vdr/sidetree
+    steps:
+      - name: Setup Go 1.15
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+        id: go
+
+      - uses: actions/checkout@v2
+
+      - name: Run unit test
+        timeout-minutes: 15
+        run: make unit-test
+
+      - name: Upload coverage to Codecov
+        timeout-minutes: 10
+        if: github.repository == 'hyperledger/aries-framework-go-ext'
+        uses: codecov/codecov-action@v1.0.14
+        with:
+          file: ./coverage.out