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

.temp/CheckCategories2.java

@@ -0,0 +1,22 @@
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+public class CheckCategories2 {
+    public static void main(String[] args) {
+        try {
+            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521/sisvietnam", "sisvietnam", "sisvietnam");
+            Statement stmt = conn.createStatement();
+            
+            System.out.println("--- CATEGORIES ---");
+            ResultSet rs = stmt.executeQuery("SELECT id, name, slug FROM sis_category");
+            while (rs.next()) {
+                System.out.println(rs.getLong("id") + " - " + rs.getString("name") + " (" + rs.getString("slug") + ")");
+            }
+            conn.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}