gitignore: ignore latex generated files

Author: james-d-mitchell

.gitignore

@@ -1,22 +1,25 @@
+_build
+_generate
+.cache
+.ccls
+.coverage
+.DS_Store
 *.aux
 *.ccls-cache
 *.egg-info
+*.fdb_latexmk
+*.fls
 *.gv
 *.log
 *.pdf
 *.py[cod]
 *.so
 *.whl
-.DS_Store
-.cache
-.ccls
-.coverage
-compile_commands.json
-MANIFEST
-_build
-_generate
 build
+compile_commands.json
 coverage.xml
+docs/pictures/to-table.synctex.gz
 gh-pages/
 htmlcov
+MANIFEST
 src/libsemigroups_pybind11/_version.py