chore(docs): fix checkboxes

Author: adrianopol

docs/roadmap.md

@@ -4,37 +4,37 @@
 
 ### pre-1 (core functionality) [#16](https://github.com/roc-streaming/rocd/issues/16)
 
-- [ ] prototype: devices, streams, API (1) -- [#32](https://github.com/roc-streaming/rocd/issues/32), ...
-  - [ ] devices: pipewire based on C API bindings
-    - [ ] streaming devices: for working with pipewire modules, roc-pulse or roc-vad
-  - [ ] streams: CRUD, send, receive
-- [ ] tests: integration (single process): openapi-based generated client class that interacts with rocd server + PW backend mock
+- :white_large_square: prototype: devices, streams, API (1) -- [#32](https://github.com/roc-streaming/rocd/issues/32), ...
+  - :white_large_square: devices: pipewire based on C API bindings
+    - :white_large_square: streaming devices: for working with pipewire modules, roc-pulse or roc-vad
+  - :white_large_square: streams: CRUD, send, receive
+- :white_large_square: tests: integration (single process): openapi-based generated client class that interacts with rocd server + PW backend mock
 
 ### pre-2 (core functionality)
 
-- [ ] ZMQ: protocol
-- [ ] cross-management
+- :white_large_square: ZMQ: protocol
+- :white_large_square: cross-management
 
 ### pre-3
 
-- [ ] user configuration (plain text) [#9](https://github.com/roc-streaming/rocd/issues/9)
-- [ ] administration panel (UI for stable REST API) [#17](https://github.com/roc-streaming/rocd/issues/17)
-- [ ] documentation [#21](https://github.com/roc-streaming/rocd/issues/21)
+- :white_large_square: user configuration (plain text) [#9](https://github.com/roc-streaming/rocd/issues/9)
+- :white_large_square: administration panel (UI for stable REST API) [#17](https://github.com/roc-streaming/rocd/issues/17)
+- :white_large_square: documentation [#21](https://github.com/roc-streaming/rocd/issues/21)
 
 ### later
 
-- [ ] tests: integration (black box; multiprocess): dockerized client + server
+- :white_large_square: tests: integration (black box; multiprocess): dockerized client + server
 
 ---
 
 ### after pre-1
 
-- [ ] convert `roc-droid` -> `roc-cast`
-- [ ] use rocd in `roc-cast` on desktop
+- :white_large_square: convert `roc-droid` -> `roc-cast`
+- :white_large_square: use rocd in `roc-cast` on desktop
 
 ### after pre-3
 
-- [ ] **public announce**
+- :white_large_square: **public announce**
 
 
 ## Platform support