[FL-1196] Targets: add F6 (#427)

* Targets: add F6
* F6: Update linker script for use with internal storage
* F6: synchronize with F5, add all changes arriving in V9 board, update cube project. Github workflow: add multi-target build, add F6 to build targets.
* CI: fix full assembly
* CI: better artifact naming scheme
* CI: fix artifacts wildcard
* F6: Swap C10 - A15, vibro and sdcard detect pins

firmware/targets/f6/ble-glue/app_entry.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    BleGlueStatusUninitialized,
+    BleGlueStatusStartup,
+    BleGlueStatusBroken,
+    BleGlueStatusStarted
+} BleGlueStatus;
+
+void APPE_Init();
+
+BleGlueStatus APPE_Status();
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif