Add Recon dashboard tiles

Author: bishwajit-db

src/databricks/labs/remorph/resources/reconcile/dashboards/0_0_recon_main.md

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+# Main Reconciliation Table
+
+### This table provides comprehensive information on the report's status, including failure indications, schema matching status, and details on missing and mismatched records.
+
+[Aggregates Reconciliation Table](#aggregates-reconcile-table-metrics)