Example ipc (#60)

* add blank example

* add ipc example code, need to change FURI API

* add ipc example code, need to change FURI API

* change core API, add context

* check handler at take

* fix important bugs in furi

* drawing example

* add posix mq

* fix unsigned demo counter

* create at open

* working local demo

* russian version of IPC example

* english version

* add gif

core/log.c

@@ -21,5 +21,5 @@ void fuprintf(FuriRecordSubscriber* f, const char * format, ...) {
 }
 
 FuriRecordSubscriber* get_default_log() {
-    return furi_open("tty", false, false, NULL, NULL);
+    return furi_open("tty", false, false, NULL, NULL, NULL);
 }