Add a stack for mobymask-v2-watcher to run peer tests (#222)

* Add mobymask-v2-watcher stack with peer tests

* Rename stack and container

* Avoid building react-peer container

* Improve step for getting container ID

Former-commit-id: 7831078872

app/data/stacks/mobymask-v2/README.md

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+# MobyMask v2 watcher
+
+Instructions to deploy MobyMask v2 watcher stack using [laconic-stack-orchestrator](/README.md#install)
+
+## Setup
+
+Clone required repositories:
+
+```bash
+laconic-so --stack mobymask-v2 setup-repositories
+```
+
+Build the container images:
+
+```bash
+laconic-so --stack mobymask-v2 build-containers
+```
+
+This should create the required docker images in the local image registry.
+
+Deploy the stack:
+
+```bash
+laconic-so --stack mobymask-v2 deploy-system up
+```
+
+## Tests
+
+Find the watcher container's id:
+
+```bash
+docker ps | grep "cerc/watcher-mobymask-v2:local"
+```
+
+Example output
+
+```
+8b38e9a64d7e   cerc/watcher-mobymask-v2:local   "sh -c 'yarn server'"    35 seconds ago   Up 14 seconds (health: starting)   0.0.0.0:3001->3001/tcp, 0.0.0.0:9001->9001/tcp, 0.0.0.0:9090->9090/tcp   laconic-aeb84676de2b0a7671ae90d537fc7d26-mobymask-watcher-server-1
+```
+
+In above output the container ID is `8b38e9a64d7e`
+
+Export it for later use:
+
+```bash
+export CONTAINER_ID=<CONTAINER_ID>
+```
+
+Run the peer tests:
+
+```bash
+docker exec -w /app/packages/peer $CONTAINER_ID yarn test
+```
+
+## Clean up
+
+To stop all the services running in background run:
+
+```bash
+laconic-so --stack mobymask-v2 deploy-system down
+```

app/data/stacks/mobymask-v2/stack.yml

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+version: "1.0"
+name: mobymask-v2
+repos:
+  - cerc-io/watcher-ts
+  - cerc-io/react-peer
+  - cerc-io/mobymask-ui
+containers:
+  - cerc/watcher-mobymask-v2
+  - cerc/mobymask-ui
+pods:
+  - watcher-mobymask-v2