chore: add db migration helper scripts

migrate.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: ./migrate.sh path/to/migration.sql"
+    exit 1
+fi
+
+SQL_FILE=$1
+
+if [ ! -f "$SQL_FILE" ]; then
+    echo "Error: File $SQL_FILE does not exist."
+    exit 1
+fi
+
+echo "Running $SQL_FILE against pragativeer_db..."
+docker exec -i pragativeer_db psql -U pragativeer_admin -d pragativeer_prod < "$SQL_FILE"
+
+if [ $? -eq 0 ]; then
+    echo "Migration applied successfully!"
+else
+    echo "Migration failed!"
+fi