build: Snyk test/monitor for web3-react + exclude workspace unmet deps

.github/workflows/snyk_sca_scan.yml

@@ -0,0 +1,45 @@
+name: Snyk Code Security
+
+on:
+  pull_request:
+    branches:
+      - '**'
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**/*.md'
+
+jobs:
+  open-source:
+    name: '🔒 Open Source Scan'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16
+          cache: 'yarn'
+      - run: yarn
+      - run: yarn install
+
+      - uses: actions/checkout@v2
+      - name: Run Snyk to check for known vulnerabilities in software supply chain
+        uses: snyk/actions/node@0e928f3e9ae859e2b95ac2b89af55d7b6434244d
+        #continue-on-error: true
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_API_TOKEN }}
+        with:
+          command: test
+          # include devDependencies to deps list for Snyk dep-graph
+          args: --dev --severity-threshold=medium 
+
+      - name: Run Snyk monitor to upload the latest snapshot 
+        uses: snyk/actions/node@0e928f3e9ae859e2b95ac2b89af55d7b6434244d
+        #continue-on-error: true
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_API_TOKEN }}
+        with:
+          command: monitor
+        # include devDependencies to deps list for Snyk dep-graph
+          args: --dev --severity-threshold=medium 

.snyk

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+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.25.0
+ignore: {}
+patch: {}
+exclude:
+  global:
+    - packages/**
+    - examples/**