Add first version of action

Author: kare

.github/workflows/test.yaml

@@ -0,0 +1,11 @@
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Testing streamr-docker-dev-action
+    steps:
+    - uses: actions/checkout@v2
+    - uses: streamr-dev/streamr-docker-dev-action@master
+    - run: curl -v http://localhost/api/v1/products
+      shell: bash

action.yaml

@@ -0,0 +1,18 @@
+name: 'Streamr Docker Dev Action'
+description: 'Start Streamr Docker Stack'
+inputs:
+  services-to-start:
+    description: 'Streamr Docker Stack services to start'
+    required: false
+    default: 'mysql redis engine-and-editor cassandra parity-node0 parity-sidechain-node0 bridge data-union-server broker-node-storage-1 nginx smtp platform'
+runs:
+  using: "composite"
+  steps:
+    - run: git clone --depth 1 https://github.com/streamr-dev/streamr-docker-dev.git
+      shell: bash
+    - run: |
+          sudo ifconfig docker0 10.200.10.1/24
+          ./streamr-docker-dev/bin.sh start ${{ inputs.services-to-start }}
+          ./streamr-docker-dev/bin.sh wait
+      shell: bash
+      working-directory: streamr-docker-dev