diff --git a/.gitignore b/.gitignore
index 51fbedb..9508e00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,7 +43,7 @@
  # Logs
  *.log
  logs/
- 
+
  # Test or debug output
  test/output/
  debug/
\ No newline at end of file
diff --git a/.idea/dataSources.xml b/.idea/dataSources.xml
new file mode 100644
index 0000000..6da4b8f
--- /dev/null
+++ b/.idea/dataSources.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="c77_rbac_dev" uuid="cbedbdfe-a339-4d2c-b140-915e43981cfe">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://192.168.49.115:5432/c77_rbac_dev</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 7afd806..6141a82 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
-c77_rbac
\ No newline at end of file
+# c77_rbac
+A PostgreSQL extension for role-based access control (RBAC).
\ No newline at end of file
diff --git a/schema.sql b/schema.sql
new file mode 100644
index 0000000..e69de29