[FL-2832] fbt: more fixes & improvements (#1854)

* github: bundling debug folder with scripts; docs: fixes & updates; fbt: added FAP_EXAMPLES variable to enable building example apps. Disabled by default. fbt: added TERM to list of proxied environment variables
* fbt: better help output; disabled implicit_deps_unchanged; added color to import validator reports
* fbt: moved debug configuration to separate tool
* fbt: proper dependency tracker for SDK source file; renamed linker script for external apps
* fbt: fixed debug elf path
* fbt: packaging sdk archive
* scripts: fixed sconsdist.py
* fbt: reworked sdk packing; docs: updates
* docs: info on cli target; linter fixes
* fbt: moved main code to scripts folder
* scripts: packing update into .tgz
* fbt, scripts: reworked copro_dist to build .tgz
* scripts: fixed naming for archived updater package
* Scripts: fix ぐるぐる回る

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

scripts/fbt/version.py

@@ -0,0 +1,30 @@
+import subprocess
+import datetime
+from functools import cache
+
+
+@cache
+def get_git_commit_unix_timestamp():
+    return int(subprocess.check_output(["git", "show", "-s", "--format=%ct"]))
+
+
+@cache
+def get_fast_git_version_id():
+    try:
+        version = (
+            subprocess.check_output(
+                [
+                    "git",
+                    "describe",
+                    "--always",
+                    "--dirty",
+                    "--all",
+                    "--long",
+                ]
+            )
+            .strip()
+            .decode()
+        )
+        return (version, datetime.date.today())
+    except Exception as e:
+        print("Failed to check for git changes", e)