docs: update README

Author: 0xnigir1

scripts/hasura-config/README.md

@@ -53,6 +53,8 @@ The script will configure the following tables:
 -   applications_payouts
 -   donations
 -   legacy_projects
+-   attestations
+-   attestation_txns
 
 ## Relationships
 
@@ -75,6 +77,10 @@ The script sets up the following relationships:
 
 -   Has many applicationsPayouts
 
+#### Attestations
+
+-   Has many attestationTxns
+
 ### Object Relationships (Many-to-One)
 
 #### Project Roles
@@ -98,6 +104,10 @@ The script sets up the following relationships:
 
 -   Belongs to application
 
+#### Attestation Txns
+
+-   Belongs to attestation
+
 ## Virtual Relationships
 
 In addition to standard relationships based on foreign key constraints, this project uses virtual relationships (manual configurations) for certain tables where database-level foreign key constraints cannot be enforced due to external requirements.