chore: add slither config

This is so we can run `slither .` in any of our projects.

.prettierignore

@@ -14,3 +14,5 @@ lcov.info
 package-lock.json
 pnpm-lock.yaml
 yarn.lock
+
+slither.config.json

README.md

@@ -69,7 +69,8 @@ following files:
 ├── .prettierrc.yml
 ├── .solhint.json
 ├── foundry.toml
-└── remappings.txt
+├── remappings.txt
+└── slither.config.json
 ```
 
 ### VSCode Integration

slither.config.json

@@ -0,0 +1,8 @@
+{
+  "detectors_to_exclude": "naming-convention,reentrancy-events,solc-version,timestamp",
+  "filter_paths": "(lib|test)",
+  "solc_remaps": [
+    "@openzeppelin/contracts=lib/openzeppelin-contracts/contracts/",
+    "forge-std/=lib/forge-std/src/"
+  ]
+}