demos/zeroline: Post-SVN tidy

- Move source code from `trunk` into root directory.
- Update build files and ASM include paths.
- Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.

data/Tupfile.lua

@@ -466,7 +466,7 @@ tup.append_table(img_files, {
  {"DEMOS/TUBE", VAR_PROGS .. "/demos/tube/tube"},
  {"DEMOS/UNVWATER", VAR_PROGS .. "/demos/unvwater/unvwater"},
  {"DEMOS/WEB", VAR_PROGS .. "/demos/web/web"},
- {"DEMOS/ZEROLINE", VAR_PROGS .. "/demos/zeroline/trunk/zeroline"},
+ {"DEMOS/ZEROLINE", VAR_PROGS .. "/demos/zeroline/zeroline"},
  {"DEVELOP/BOARD", VAR_PROGS .. "/system/board/trunk/board"},
  {"DEVELOP/DBGBOARD", VAR_PROGS .. "/system/dbgboard/dbgboard"},
  {"DEVELOP/CEDIT", SRC_PROGS .. "/develop/cedit/CEDIT"},

programs/demos/zeroline/zeroline.asm

@@ -1,3 +1,9 @@
+; SPDX-License-Identifier: NOASSERTION
+;
+
+; Text encoded with Code Page 866 - Cyrillic
+
+
 ;------------------------------------------------------------------------------
 ;   @SS - screensaver
 ;------------------------------------------------------------------------------
@@ -24,7 +30,7 @@
 	dd I_Param	; boot parameters
 	dd 0x0		; path
 ;------------------------------------------------------------------------------
-include '..\..\..\macros.inc'
+include '..\..\macros.inc'
 ;include   'debug.inc'
 ;------------------------------------------------------------------------------
 align 4