Add detect-secrets hook & baseline to every public repo

.pre-commit-config.yaml

@@ -17,3 +17,9 @@ repos:
     sha: v0.3.5
     hooks:
     -   id: reorder-python-imports
+-   repo: git://github.com/Yelp/detect-secrets
+    sha: 0.9.1
+    hooks:
+    -   id: detect-secrets
+        args: ['--baseline', '.secrets.baseline']
+        exclude: .*tests/.*|.*yelp/testing/.*|\.pre-commit-config\.yaml

.secrets.baseline

@@ -0,0 +1,27 @@
+{
+  "exclude_regex": ".*tests/.*|.*yelp/testing/.*|\\.pre-commit-config\\.yaml",
+  "generated_at": "2018-07-06T22:54:22Z",
+  "plugins_used": [
+    {
+      "base64_limit": 4.5,
+      "name": "Base64HighEntropyString"
+    },
+    {
+      "hex_limit": 3,
+      "name": "HexHighEntropyString"
+    },
+    {
+      "name": "PrivateKeyDetector"
+    }
+  ],
+  "results": {
+    ".travis.yml": [
+      {
+        "hashed_secret": "4f7a1ea04dafcbfee994ee1d08857b8aaedf8065",
+        "line_number": 14,
+        "type": "Base64 High Entropy String"
+      }
+    ]
+  },
+  "version": "0.9.1"
+}