[FL-2627] Flipper applications: SDK, build and debug system (#1387)

* Added support for running applications from SD card (FAPs - Flipper Application Packages)
* Added plugin_dist target for fbt to build FAPs
* All apps of type FlipperAppType.EXTERNAL and FlipperAppType.PLUGIN are built as FAPs by default
* Updated VSCode configuration for new fbt features - re-deploy stock configuration to use them
* Added debugging support for FAPs with fbt debug & VSCode
* Added public firmware API with automated versioning

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>

assets/SConscript

@@ -27,7 +27,9 @@ if not assetsenv["VERBOSE"]:
 icons_src = assetsenv.GlobRecursive("*.png", "icons")
 icons_src += assetsenv.GlobRecursive("frame_rate", "icons")
 
-icons = assetsenv.IconBuilder(Dir("compiled"), Dir("#/assets/icons"))
+icons = assetsenv.IconBuilder(
+    assetsenv.Dir("compiled"), ICON_SRC_DIR=assetsenv.Dir("#/assets/icons")
+)
 assetsenv.Depends(icons, icons_src)
 assetsenv.Alias("icons", icons)
 
@@ -92,7 +94,6 @@ if assetsenv["IS_BASE_FIRMWARE"]:
     assetsenv.Alias("dolphin_ext", dolphin_external)
 
     # Resources manifest
-
     resources = assetsenv.Command(
         "#/assets/resources/Manifest",
         assetsenv.GlobRecursive("*", "resources", exclude="Manifest"),
@@ -101,9 +102,11 @@ if assetsenv["IS_BASE_FIRMWARE"]:
             "${RESMANIFESTCOMSTR}",
         ),
     )
-    assetsenv.Precious(resources)
-    assetsenv.NoClean(resources)
     assetsenv.AlwaysBuild(resources)
+    assetsenv.Clean(
+        resources,
+        assetsenv.Dir("#/assets/resources/apps"),
+    )
 
     # Exporting resources node to external environment
     env["FW_RESOURCES"] = resources