[FL-1546, FL-1534, FL-1550] Drop F5, Certification preparation, Global application start lock (#585)

* Firmware: drop F5 target
* Rename app-loader to loader
* Update code owners file
* Loader: global application start lock API, minor refactoring
* Archive: update loader usage
* Cli: Command flags, global application start lock
* Apps: update cli API usage
* Bootloader: minor refactoring
* Firmware: minor build refactoring
* SubGhz: GUI packet test
* SubGhz: drop packet transmission and unused presets
* Github: drop F5 from build
* Archive: favorites
* Archive: a little bit more of Favorites

bootloader/targets/api-hal-include/target.h

@@ -0,0 +1,25 @@
+#ifndef TARGET_H
+#define TARGET_H
+
+/**
+ * Initialize hardware
+*/
+void target_init();
+
+/**
+ * Check if dfu mode requested
+ * @return 1 if dfu mode requested, 0 if not
+ */
+int target_is_dfu_requested();
+
+/**
+ * Switch to dfu mode
+ */
+void target_switch2dfu();
+
+/**
+ * Switch to OS
+ */
+void target_switch2os();
+
+#endif