docs: Add Services reference (#1548)

docs/content/references/services/classes/QueryBuilderService.md

@@ -0,0 +1,79 @@
+# Class: QueryBuilderService
+
+## Hierarchy
+
+- `"medusa-interfaces"`
+
+  ↳ **`QueryBuilderService`**
+
+## Constructors
+
+### constructor
+
+• **new QueryBuilderService**()
+
+#### Inherited from
+
+BaseService.constructor
+
+## Methods
+
+### buildFilterQuery
+
+▸ **buildFilterQuery**(`filters`): `undefined` \| {}
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `filters` | `any` |
+
+#### Returns
+
+`undefined` \| {}
+
+#### Defined in
+
+[services/query-builder.js:25](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/query-builder.js#L25)
+
+___
+
+### buildQuery
+
+▸ **buildQuery**(`params`, `properties`): `Object`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `params` | `any` |
+| `properties` | `any` |
+
+#### Returns
+
+`Object`
+
+#### Defined in
+
+[services/query-builder.js:5](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/query-builder.js#L5)
+
+___
+
+### buildTextSearchQuery
+
+▸ **buildTextSearchQuery**(`search`, `searchProperties`): `undefined` \| { `$or`: `any` = searchQuery }
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `search` | `any` |
+| `searchProperties` | `any` |
+
+#### Returns
+
+`undefined` \| { `$or`: `any` = searchQuery }
+
+#### Defined in
+
+[services/query-builder.js:39](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/query-builder.js#L39)