added .bbl and .blg to .gitignore

.gitignore

@@ -12,6 +12,10 @@
 *.cb2
 .*.lb
 
+## Additional files
+*.bbl
+*.blg
+
 ## Intermediate documents:
 *.dvi
 *.xdv

sample.bbl

-\begin{thebibliography}{}
-
-\bibitem[Mertz and Slough, 2005]{mertz2005beamer}
-Mertz, A. and Slough, W. (2005).
-\newblock Beamer by example.
-\newblock {\em The PracTEX Journal}.
-
-\bibitem[Tantau, 2004]{tantau2004user}
-Tantau, T. (2004).
-\newblock User’s guide to the beamer class, version 3.01.
-
-\end{thebibliography}

sample.blg

-This is BibTeX, Version 0.99d (TeX Live 2017/Debian)
-Capacity: max_strings=100000, hash_size=100000, hash_prime=85009
-The top-level auxiliary file: sample.aux
-The style file: apalike.bst
-Database file #1: references.bib
-You've used 2 entries,
-            1935 wiz_defined-function locations,
-            480 strings with 3840 characters,
-and the built_in function-call counts, 564 in all, are:
-= -- 54
-> -- 20
-< -- 2
-+ -- 6
-- -- 6
-* -- 38
-:= -- 112
-add.period$ -- 5
-call.type$ -- 2
-change.case$ -- 13
-chr.to.int$ -- 2
-cite$ -- 2
-duplicate$ -- 23
-empty$ -- 36
-format.name$ -- 10
-if$ -- 103
-int.to.chr$ -- 1
-int.to.str$ -- 0
-missing$ -- 1
-newline$ -- 12
-num.names$ -- 6
-pop$ -- 10
-preamble$ -- 1
-purify$ -- 13
-quote$ -- 0
-skip$ -- 21
-stack$ -- 0
-substring$ -- 24
-swap$ -- 1
-text.length$ -- 0
-text.prefix$ -- 0
-top$ -- 0
-type$ -- 12
-warning$ -- 0
-while$ -- 4
-width$ -- 0
-write$ -- 24