[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/util.py

@@ -0,0 +1,43 @@
+import SCons
+from SCons.Subst import quote_spaces
+from SCons.Errors import StopError
+
+import re
+import os
+import random
+import string
+
+WINPATHSEP_RE = re.compile(r"\\([^\"'\\]|$)")
+
+
+def tempfile_arg_esc_func(arg):
+    arg = quote_spaces(arg)
+    if SCons.Platform.platform_default() != "win32":
+        return arg
+    # GCC requires double Windows slashes, let's use UNIX separator
+    return WINPATHSEP_RE.sub(r"/\1", arg)
+
+
+def wrap_tempfile(env, command):
+    env[command] = '${TEMPFILE("' + env[command] + '","$' + command + 'STR")}'
+
+
+def link_dir(target_path, source_path, is_windows):
+    # print(f"link_dir: {target_path} -> {source_path}")
+    if os.path.lexists(target_path) or os.path.exists(target_path):
+        os.unlink(target_path)
+    if is_windows:
+        # Crete junction
+        import _winapi
+
+        if not os.path.isdir(source_path):
+            raise StopError(f"Source directory {source_path} is not a directory")
+
+        if not os.path.exists(target_path):
+            _winapi.CreateJunction(source_path, target_path)
+    else:
+        os.symlink(source_path, target_path)
+
+
+def single_quote(arg_list):
+    return " ".join(f"'{arg}'" if " " in arg else str(arg) for arg in arg_list)