Implement ValueManager and ValueComposer (#183)

* Fix ValueManager implementation
* Implement ValueComposer
* Add constructor for ValueManager
* Add value-expanders.h to flipper_v2.h set
* Move COPY_COMPOSE body into a .c file
* Add test for ValueManager
* Add destructors for ValueMutex, ValueManager and ValueComposer
* Use destructors in tests
* Move composition logic into perform_compose()
* Add docs for perform_compose()
* Add test for ValueComposer
* Replace atomic_bool with bool as g++ compiler doesn't support C11 atomics
* Add Event type
* Add semaphore support to the local target
* Add test for Event
* Update input records and relevant examples
* Rename Event to AppEvent in the cc1101-workaround example
* Rename Event to AppEvent in the irda example
* Use Event in ValueComposer to wait for update request
* Add perform_compose_internal() function
* fix Event/AppEvent

Co-authored-by: aanper <mail@s3f.ru>

applications/backlight-control/backlight-control.c

@@ -1,6 +1,6 @@
-#include "flipper.h"
+#include "flipper_v2.h"
 
-static void event_cb(const void* value, size_t size, void* ctx) {
+static void event_cb(const void* value, void* ctx) {
     xSemaphoreGive((SemaphoreHandle_t*)ctx);
 }
 
@@ -14,7 +14,9 @@ void backlight_control(void* p) {
     SemaphoreHandle_t update = xSemaphoreCreateCountingStatic(255, 0, &event_descriptor);
 
     // open record
-    furi_open_deprecated("input_events", false, false, event_cb, NULL, (void*)update);
+    PubSub* event_record = furi_open("input_events");
+    assert(event_record != NULL);
+    subscribe_pubsub(event_record, event_cb, (void*)update);
 
     // we ready to work
     furiac_ready();