chore: Adds devops script for getting table sizes

scripts/get-table-storage-sizes.sql

@@ -0,0 +1,22 @@
+SELECT
+  table_name,
+  pg_size_pretty (table_size) AS table_size,
+  pg_size_pretty (indexes_size) AS indexes_size,
+  pg_size_pretty (total_size) AS total_size
+FROM
+  (
+    SELECT
+      table_name,
+      pg_table_size (table_name) AS table_size,
+      pg_indexes_size (table_name) AS indexes_size,
+      pg_total_relation_size (table_name) AS total_size
+    FROM
+      (
+        SELECT
+          ('"' || table_schema || '"."' || table_name || '"') AS table_name
+        FROM
+          information_schema.tables
+      ) AS all_tables
+    ORDER BY
+      total_size DESC
+  ) AS pretty_sizes;