feat: update footer with site policies, add CTA retrieval SQL, and refactor block content management

sisvietnamvn_main/.temp/test_db.java

@@ -0,0 +1,20 @@
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+public class test_db {
+    public static void main(String[] args) {
+        try {
+            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521/FREEPDB1", "sisvietnam", "sisvietnam");
+            Statement stmt = conn.createStatement();
+            ResultSet rs = stmt.executeQuery("SELECT name FROM jhi_authority");
+            while (rs.next()) {
+                System.out.println(rs.getString("name"));
+            }
+            conn.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}