feat(server): add cloud indexer with Elasticsearch and Manticoresearch providers (#11835)

close CLOUD-137

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

- **New Features**
  - Introduced advanced workspace-scoped search and aggregation capabilities with support for complex queries, highlights, and pagination.
  - Added pluggable search providers: Elasticsearch and Manticoresearch.
  - New GraphQL queries, schema types, and resolver support for search and aggregation.
  - Enhanced configuration options for search providers in self-hosted and cloud deployments.
  - Added Docker Compose services and environment variables for Elasticsearch and Manticoresearch.
  - Integrated indexer service into deployment and CI workflows.

- **Bug Fixes**
  - Improved error handling with new user-friendly error messages for search provider and indexer issues.

- **Documentation**
  - Updated configuration examples and environment variable references for indexer and search providers.

- **Tests**
  - Added extensive end-to-end and provider-specific tests covering indexing, searching, aggregation, deletion, and error cases.
  - Included snapshot tests and test fixtures for search providers.

- **Chores**
  - Updated deployment scripts, Helm charts, and Kubernetes manifests to include indexer-related environment variables and secrets.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.github/actions/deploy/deploy.mjs

@@ -16,6 +16,10 @@ const {
   REDIS_SERVER_HOST,
   REDIS_SERVER_PASSWORD,
   STATIC_IP_NAME,
+  AFFINE_INDEXER_SEARCH_PROVIDER,
+  AFFINE_INDEXER_SEARCH_ENDPOINT,
+  AFFINE_INDEXER_SEARCH_USERNAME,
+  AFFINE_INDEXER_SEARCH_PASSWORD,
 } = process.env;
 
 const buildType = BUILD_TYPE || 'canary';
@@ -81,6 +85,12 @@ const createHelmCommand = ({ isDryRun }) => {
           `--set-string global.redis.password="${REDIS_SERVER_PASSWORD}"`,
         ]
       : [];
+  const indexerOptions = [
+    `--set-string global.indexer.provider="${AFFINE_INDEXER_SEARCH_PROVIDER}"`,
+    `--set-string global.indexer.endpoint="${AFFINE_INDEXER_SEARCH_ENDPOINT}"`,
+    `--set-string global.indexer.username="${AFFINE_INDEXER_SEARCH_USERNAME}"`,
+    `--set-string global.indexer.password="${AFFINE_INDEXER_SEARCH_PASSWORD}"`,
+  ];
   const serviceAnnotations = [
     `--set-json   web.serviceAccount.annotations="{ \\"iam.gke.io/gcp-service-account\\": \\"${APP_IAM_ACCOUNT}\\" }"`,
     `--set-json   graphql.serviceAccount.annotations="{ \\"iam.gke.io/gcp-service-account\\": \\"${APP_IAM_ACCOUNT}\\" }"`,
@@ -130,6 +140,7 @@ const createHelmCommand = ({ isDryRun }) => {
     `--set-string global.ingress.host="${host}"`,
     `--set-string global.version="${APP_VERSION}"`,
     ...redisAndPostgres,
+    ...indexerOptions,
     `--set        web.replicaCount=${replica.web}`,
     `--set-string web.image.tag="${imageTag}"`,
     `--set        graphql.replicaCount=${replica.graphql}`,