Make also non-root files ignored

.gitignore

 ## Adopted from https://github.com/github/gitignore/blob/master/TeX.gitignore
 ## changed to exclude ambiguous suffixes only in root directory, since e.g. *.log files in Data/ directory are valid tracking candidates
 ## Core latex/pdflatex auxiliary files:
-/*.aux
-/*.lof
-/*.log
-/*.lot
-/*.fls
-/*.out
-/*.toc
-/*.lop
+*.aux
+*.lof
+*.log
+*.lot
+*.fls
+*.out
+*.toc
+*.lop
 # these rules might exclude target builds (pdf) in root directory etc.
 *.dvi
 *-converted-to.*
@@ -17,28 +17,28 @@
 *.eps
 /*.pdf
 ## Bibliography auxiliary files (bibtex/biblatex/biber):
-/*.bbl
-/*.bcf
-/*.blg
-/*-blx.aux
-/*-blx.bib
-/*.brf
-/*.run.xml
+*.bbl
+*.bcf
+*.blg
+*-blx.aux
+*-blx.bib
+*.brf
+*.run.xml
 ## Build tool auxiliary files:
-/*.fdb_latexmk
-/*.synctex.gz
-/*.synctex.gz(busy)
-/*.pdfsync
+*.fdb_latexmk
+*.synctex.gz
+*.synctex.gz(busy)
+*.pdfsync
 ## Auxiliary and intermediate files from other packages:
 # algorithms
-/*.alg
-/*.loa
+*.alg
+*.loa
 # amsthm
-/*.thm
+*.thm
 # beamer
-/*.nav
-/*.snm
-/*.vrb
+*.nav
+*.snm
+*.vrb
 # (e)ledmac/(e)ledpar
 /*.end
 /*.[1-9]
@@ -177,4 +177,4 @@ notes/auto
 # cache folder
 cache/*
 
-**/auto/
\ No newline at end of file
+**/auto/