build: Add tasks for code generation, building, and deployment of The Graph subgraph. (#22)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Added tasks for code generation and building subgraphs for The Graph
across multiple projects, enabling easier management and deployment of
subgraph types.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: roderik

.vscode/tasks.json

@@ -93,6 +93,22 @@
       "command": "btp-scs hardhat deploy remote --reset ${input:extra-deployment} -m ${input:deployment-module}",
       "problemMatcher": []
     },
+    {
+      "label": "The Graph - Codegen the subgraph types",
+      "type": "shell",
+      "command": "btp-scs subgraph codegen",
+      "problemMatcher": []
+    },
+    {
+      "label": "The Graph - Build the subgraph",
+      "type": "shell",
+      "command": "btp-scs subgraph build",
+      "problemMatcher": [],
+      "group": {
+        "kind": "build",
+        "isDefault": false
+      },
+    },
     {
       "label": "The Graph - Deploy or update the subgraph",
       "type": "shell",