feat: update charity project assets, add livestream media, and clean up temporary migration scripts

.temp/CheckCat.java

@@ -0,0 +1,22 @@
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+
+public class CheckCat {
+    public static void main(String[] args) {
+        try {
+            Class.forName("oracle.jdbc.OracleDriver");
+            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521/sisvietnam", "sisvietnam", "sisvietnam");
+            
+            PreparedStatement stmt = conn.prepareStatement("SELECT category_id FROM sis_post WHERE id = 6450");
+            ResultSet rs = stmt.executeQuery();
+            if (rs.next()) {
+                System.out.println("Category ID: " + rs.getLong(1));
+            }
+            conn.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}