docs: add emit_embed_alias

Author: sapk

docs/reference/config.md

@@ -163,6 +163,8 @@ The `gen` mapping supports the following keys:
 - `emit_all_enum_values`:
   - If true, emit a function per enum type
     that returns all valid enum values.
+- `emit_embed_alias`:
+  - If true, Use alias name inside `sqlc.embed()` function instead table name. Defaults to `false`.
 - `build_tags`:
   - If set, add a `//go:build <build_tags>` directive at the beginning of each generated Go file.
 - `json_tags_id_uppercase`:
@@ -408,6 +410,7 @@ packages:
     emit_pointers_for_null_types: false
     emit_enum_valid_method: false
     emit_all_enum_values: false
+    emit_embed_alias: false
     build_tags: "some_tag"
     json_tags_case_style: "camel"
     omit_unused_structs: false
@@ -463,6 +466,8 @@ Each mapping in the `packages` collection has the following keys:
 - `emit_all_enum_values`:
   - If true, emit a function per enum type
     that returns all valid enum values.
+- `emit_embed_alias`:
+  - If true, Use alias name inside `sqlc.embed()` function instead table name. Defaults to `false`.
 - `build_tags`:
   - If set, add a `//go:build <build_tags>` directive at the beginning of each generated Go file.
 - `json_tags_case_style`: