Make printf great again (#1438)

* Printf lib: wrap *printf* functions
* Printf lib, FW: drop sprintf. Dolphin: dump timestamp as is, wo asctime.
* FW: remove sniprintf, wrap assert functions
* Printf lib: wrap putc, puts, putchar
* Printf: a working but not thread-safe concept.
* Poorly wrap fflush
* stdglue: buffers
* Core: thread local buffers
* Core: move stdglue to thread api, add ability to get FuriThread instance of current thread.
* RPC tests: replace sprintf with snprintf
* Applications: use new stdout api
* Printf lib: wrap more printf-like and stdout functions
* Documentation
* Apps: snprintf size fixes

Co-authored-by: あく <alleteam@gmail.com>

lib/SConscript

@@ -14,6 +14,7 @@ env.Append(
         "lib/toolbox",
         "lib/u8g2",
         "lib/update_util",
+        "lib/print",
     ]
 )
 
@@ -60,6 +61,7 @@ libs = env.BuildModules(
     [
         "STM32CubeWB",
         "freertos",
+        "print",
         "microtar",
         "toolbox",
         "ST25RFAL002",