docs: update info to match spec v0.6 (#21)

pages/_meta.json

@@ -16,7 +16,7 @@
     "type": "separator",
     "title": "Specification"
   },
-  "build": "Build Module",
+  "query": "Query Module",
   "submit": "Submit Module",
   "sync": "Sync Module",
   "watch": "Watch Module",

pages/clients.md

@@ -9,7 +9,7 @@ Oura is a stream processing pipeline for Cardano. It's a tool that reads data fr
 | Module  | Status         |
 | ------- | -------------- |
 | Sync    | ✅ supported    |
-| Build   | ⏺️ not required |
+| Query   | ⏺️ not required |
 | Submit  | ⏺️ not required |
 | Watch   | ⏺️ not required |
 | Cardano | ✅ supported    |
@@ -21,7 +21,7 @@ Scrolls is a data indexer for Cardano. It's a tool that reads blocks from the Ca
 | Module  | Status         |
 | ------- | -------------- |
 | Sync    | ✅ supported    |
-| Build   | ⏺️ not required |
+| Query   | ⏺️ not required |
 | Submit  | ⏺️ not required |
 | Watch   | ⏺️ not required |
 | Cardano | ✅ supported    |

pages/introduction.mdx

@@ -15,8 +15,8 @@ Please note that UTxO RPC is just a specification of an interface between agents
 The interface is divided into different modules that represent specific use-cases. Not every client will be interested in every module and not every provider will be serving every module.
 
 <Cards>
-  <Card title="Build Module" icon="🛠️&nbsp;" href="build/intro" />
-  <Card title="Submit Module" icon="✉️&nbsp;" href="submit/intro" />
+  <Card title="Query Module" icon="🔍&nbsp;" href="build/intro" />
+  <Card title="Submit Module" icon="⚡️&nbsp;" href="submit/intro" />
   <Card title="Sync Module" icon="🔄&nbsp;" href="sync/intro" />
   <Card title="Watch Module" icon="👀&nbsp;" href="watch/intro" />
 </Cards>

pages/query/intro.mdx

@@ -0,0 +1,41 @@
+import { Callout } from "nextra-theme-docs";
+
+# Query Module
+
+The _Query_ module provides an interface for querying the state of the ledger with the main goal of constructing new transactions.
+
+## Operations
+
+- `ReadParams`: Read chain-wide parameters. 
+- `ReadUtxos`: Read specific UTxOs by reference. 
+- `SearchUtxos`: Search for UTxO based on a pattern. 
+- `ReadData`: Read specific data (plural of datum) by hash.
+
+<Callout type="info">
+  The schema details can be found in the [spec reference](spec).
+</Callout>
+
+## Sequence Example
+
+```mermaid
+%%{init: { 'theme': 'dark' } }%%
+sequenceDiagram
+  actor Client
+  participant QueryService
+
+  Note over Client,QueryService: query params to define fees / other criteria
+  Client->>+QueryService: ReadParams (field_mask)
+  QueryService-->>-Client: <param>[]
+
+  Note over Client,QueryService: read UTxO by ref to resolve tx inputs
+  Client->>+QueryService: ReadUtxos (refs)
+  QueryService-->>-Client: ReadUtxos (utxos)
+
+  Note over Client,QueryService: query UTxO by address to balance tx
+  Client->>+QueryService: SearchUtxos (address_pattern)
+  QueryService-->>-Client: SearchUtxos (utxos)
+
+  Note over Client,QueryService: query UTxO by token used as beacon
+  Client->>+QueryService: SearchUtxos (token_pattern)
+  QueryService-->>-Client: SearchUtxos (utxos)
+```