ci: add slither

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Foundry Tests
 on:
   push:
     branches:

.github/workflows/lint.yml

@@ -0,0 +1,32 @@
+name: Lint
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  run-ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Install deps
+        run: forge install
+
+      - name: Run Slither
+        uses: crytic/slither-action@main
+        id: slither
+        continue-on-error: true
+        with:
+          sarif: results.sarif
+
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: ${{ steps.slither.outputs.sarif }}

README.md

@@ -2,7 +2,8 @@
 
 **Template repository for getting started quickly with Foundry projects**
 
-![Github Actions](https://github.com/foundry-rs/forge-template/workflows/CI/badge.svg)
+![Foundry Tests](https://github.com/foundry-rs/forge-template/workflows/Foundry Tests/badge.svg)
+![Slither Lints](https://github.com/foundry-rs/forge-template/workflows/Lints/badge.svg)
 
 ## Getting Started