diff --git a/.gitignore b/.gitignore
index 911cfce4..367f1751 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
-/node_modules
-dev/
+node_modules
 .env
-.vscode/
-struct/config/serviceAccount.json
-package-lock.json
+.vscode
+serviceAccount.json
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 00000000..b0be0081
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,18 @@
+# Security Policy
+
+## Supported Versions
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 6.x.x   | :warning:          |
+| 5.x.x   | :warning:          |
+| 4.x.x   | :warning:          |
+| 3.x.x   | :x:                |
+| 2.x.x   | :x:                |
+| 1.x.x   | :white_check_mark: |
+
+:warning: Proprietary
+
+:white_check_mark: Supported
+
+:x: Unsupported