Fix docstring escape warning in prepare_ghostscript.py; add dist/ and build_output.log to .gitignore

.gitignore

@@ -1,5 +1,6 @@
 label/
 build/
+dist/
 logs/
 pdf_backup/
 conf/ghostscript/
@@ -9,4 +10,6 @@ __pycache__/
 *.pyc
 *.pyo
 *.pyd
+build_output.log
+.vscode/
 

prepare_ghostscript.py

@@ -1,12 +1,12 @@
 """
 prepare_ghostscript.py
 Finds the system GhostScript installation and copies the files needed for
-bundling into conf\ghostscript\
+bundling into conf/ghostscript/
 
 Files copied:
-  conf\ghostscript\bin\gswin64c.exe  (or gswin32c.exe)
-  conf\ghostscript\bin\gsdll64.dll   (or gsdll32.dll)
-  conf\ghostscript\lib\*.ps          (PostScript init files)
+  conf/ghostscript/bin/gswin64c.exe  (or gswin32c.exe)
+  conf/ghostscript/bin/gsdll64.dll   (or gsdll32.dll)
+  conf/ghostscript/lib/*.ps          (PostScript init files)
 
 Run this ONCE before building the exe with build_windows.bat.
 """