Revise README for PostgreSQL Integration Plugin

Updated README to enhance clarity and detail on plugin features, installation, and usage.

Author: GPUbrainStorm

README.md

@@ -1,2 +1,94 @@
-# PostgreSQLPlugin_UE5
- PostgreSQL Integration for Unreal Engine 5
+# **PostgreSQL Integration Plugin for Unreal Engine 5**
+
+A lightweight plugin that enables **direct PostgreSQL database access** inside Unreal Engine, supporting both **C++** and **Blueprints**.
+For support, join the Discord server:
+**[https://discord.gg/BxHRHDdkNy](https://discord.gg/BxHRHDdkNy)**
+
+---
+
+## **Features**
+
+* **Direct PostgreSQL Connectivity**
+  Connect Unreal Engine directly to any PostgreSQL server (local or remote).
+
+* **SSL Support**
+  Optional SSL connection with selectable SSL modes and optional root certificate use.
+
+* **OS Support**
+  Currently supports **Windows only**.
+  (Tested on Windows 10 with UE5.2)
+
+* **Query Execution**
+  Run SQL commands, retrieve results, and map rows/columns easily.
+
+* **Blueprint-Friendly**
+  All major operations exposed as simple Blueprint nodes.
+
+* **CSV + Structured Results**
+  Query results can be returned both as CSV rows and structured maps.
+
+---
+
+## **Available Functions**
+
+### **PG_Connect(...)**
+
+Opens a connection to a PostgreSQL database with optional SSL settings.
+
+### **PG_Disconnect(Connection)**
+
+Closes an active PostgreSQL connection.
+
+### **PG_IsConnected(Connection)**
+
+Returns whether the connection is valid and open.
+
+### **PG_ExecuteNonQuery(Connection, Sql, OutError)**
+
+Executes SQL statements that do **not** return rows
+(e.g., INSERT, UPDATE, DELETE, CREATE, DROP).
+
+### **PG_ExecuteQuery(Connection, Sql, PrimaryKeyColumn, OutRowsByPK, OutRowsCSV, OutError)**
+
+Runs a SELECT query and returns data in two formats:
+
+* A map of rows keyed by a primary column
+* An array of CSV-formatted rows
+
+---
+
+## **Compatibility**
+
+### **Precompiled Binaries**
+
+* Unreal Engine **5.2**
+
+### **Source Code**
+
+Should compile normally for other Unreal Engine versions.
+
+Need precompiled binaries for another version?
+Open an issue or ask on Discord.
+
+---
+
+## **Installation**
+
+Download the correct version from Releases:
+**[https://github.com/GPUbrainStorm/PostgreSQLPlugin_UE5/releases](https://github.com/GPUbrainStorm/PostgreSQLPlugin_UE5/releases)**
+
+### **Precompiled (UE 5.2)**
+
+Place the plugin into your project's **Plugins/** folder and launch normally.
+
+### **From Source Code (Any Version)**
+
+Copy the plugin to your project's **Plugins/** directory and build normally.
+
+---
+
+## **Usage Example**
+
+<img width="1119" height="407" alt="image" src="https://github.com/user-attachments/assets/189f1bc8-3896-4b0c-a122-bc75f996a0d9" />  
+<img width="1078" height="393" alt="image" src="https://github.com/user-attachments/assets/5170e131-1944-446c-9b08-fbcdfd1c086c" />  
+<img width="1836" height="671" alt="image" src="https://github.com/user-attachments/assets/0c0e9957-d9d8-44a6-acf4-3abc5afc1cdc" />