CI: Slither Analysis

Author: Reuben Rodrigues

.github/workflows/build.yml

@@ -30,3 +30,14 @@ jobs:
         uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Slither Static Analysis
+        uses: Tenderize/slither-static-analysis-action@master
+        with:
+          slither-version: '0.6.13'
+          run-npm-install: true
+          high-threshold: 1
+          medium-threshold: 1
+          low-threshold: 1
+          optimization-threshold: 1
+          informative-threshold: 10
+          projectPath: "./contracts/"