[fix] rfc gva: schema: add raw field for each document

appendices/0003_RFC/schema.gql

@@ -161,6 +161,7 @@ type Membership {
   idtyUsername: String!
   idtyBlockstamp: Blockstamp!
   signature: String!
+  raw: String!
   written: Boolean!
 }
 
@@ -175,6 +176,7 @@ type Certification {
 	idtyBlockstamp: Blockstamp!
 	idtySig: String!
   signature: String!
+  raw: String!
   written: Boolean!
 }
 
@@ -187,6 +189,7 @@ type Revocation {
 	idtyBlockstamp: Blockstamp!
 	idtySig: String!
   signature: String!
+  raw: String!
   written: Boolean!
 }
 
@@ -198,6 +201,7 @@ type Identity {
   blockstamp: Blockstamp!
   usernameID: String!
   signature: String! 
+  raw: String!
 	written: Boolean!
   membership: Membership
   # Received certifications
@@ -258,6 +262,7 @@ type Transaction {
   comment: String!
   signatures: [String!]!
   hash: String!
+  raw: String!
 	written: Boolean!
 }