[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>

firmware/targets/f7/application_ext.ld

@@ -0,0 +1,54 @@
+FORCE_COMMON_ALLOCATION
+
+SECTIONS
+{
+	.text 0x00000000 : ALIGN(4)
+	{
+		*(.text)
+		*(.stub)
+		*(.text*)
+		*(.text.*)
+		*(.text._*)
+
+		KEEP (*(.init))
+		KEEP (*(.fini))
+	}
+
+	.rodata :
+	{
+		*(.rodata)
+		*(.rodata1)
+		*(.rodata.*)
+	}
+
+	.data :
+	{
+		*(.data)
+		*(.data1)
+		*(.data.*)
+	}
+
+
+	.bss :
+	{
+		*(.bss)
+		*(.bss*)
+		*(.sbss)
+		*(.sbss*)
+		*(COMMON)
+	}
+
+	.ARM.attributes :
+	{
+		*(.ARM.attributes)
+		*(.ARM.attributes.*)
+	}
+
+	/DISCARD/ :
+	{
+		*(.comment)
+		*(.comment.*)
+		*(.llvmbc)
+		*(.llvmcmd)
+	}
+}