feat: implement full-text search functionality with API integration, add search router and persistence logic, and create related schemas and tests

thoughts-backend/doc/src/search.rs

@@ -0,0 +1,21 @@
+use api::{models::ApiErrorResponse, routers::search::*};
+use models::schemas::{
+    search::SearchResultsSchema,
+    thought::{ThoughtListSchema, ThoughtSchema},
+    user::{UserListSchema, UserSchema},
+};
+use utoipa::OpenApi;
+
+#[derive(OpenApi)]
+#[openapi(
+    paths(search_all),
+    components(schemas(
+        SearchResultsSchema,
+        ApiErrorResponse,
+        ThoughtSchema,
+        ThoughtListSchema,
+        UserSchema,
+        UserListSchema
+    ))
+)]
+pub(super) struct SearchApi;