Update gitignore.

.gitignore

@@ -1,52 +1,53 @@
 \#docs/
-_private/
+/_private/
-build/
+/build/
-debugging/
+/debugging/
-evaluations/
+/evaluations/
-examples/build/bin/
+/examples/build/bin/
-examples/build/codelite/
+/examples/build/codelite/
-examples/build/vc6/
+/examples/build/vc6/
-examples/build/vc15/
+/examples/build/vc15/
-examples/build/vc17/
+/examples/build/vc17/
-examples/simple_playback_sine.cpp
+/examples/simple_playback_sine.cpp
-external/ogg/
+/external/ogg/
-external/vorbis/
+/external/vorbis/
-external/opus/
+/external/opus/
-external/opusfile/
+/external/opusfile/
-extras/osaudio/tests/build/bin/
+/extras/osaudio/tests/build/bin/
-extras/osaudio/tests/build/vc17/
+/extras/osaudio/tests/build/vc17/
-extras/osaudio/tests/build/watcom-dos/
+/extras/osaudio/tests/build/watcom-dos/
-extras/backends/pipewire/a.out
+/extras/backends/pipewire/a.out
-extras/decoders/litewav/
+/extras/decoders/litewav/
-research/_build/
+/research/_build/
-tests/_build/bin/
+/tests/_build/bin/
-tests/_build/res/output/
+/tests/_build/res/output/
-tests/_build/tcc/
+/tests/_build/tcc/
-tests/_build/vc6/
+/tests/_build/vc6/
-tests/_build/vc15/
+/tests/_build/vc15/
-tests/_build/vc17/
+/tests/_build/vc17/
-tests/_build/watcom/
+/tests/_build/watcom/
-tests/_build/capture.wav
+/tests/_build/capture.wav
-tests/_build/a.out
+/tests/_build/a.out
-tests/_build/a.exe
+/tests/_build/a.exe
-tests/test_stress/
+/tests/debugging/archive/
-tests/*.c
+/tests/test_stress/
-tests/*.cpp
+/tests/*.c
-tools/_build/
+/tests/*.cpp
-website/docs/
+/tools/_build/
+/website/docs/
 *.vcxproj.user
 .vs/
 .idea/
 .vscode/
 
 # Below are individual files that I may start version controlling later or delete outright.
-examples/build/COSMO.txt
+/examples/build/COSMO.txt
-research/ma_fft.c
+/research/ma_fft.c
-research/ma_hrtf.c
+/research/ma_hrtf.c
-research/ma_atomic.c
+/research/ma_atomic.c
-research/miniaudio_engine.c
+/research/miniaudio_engine.c
-tools/codegen/miniaudio_amalgamator.c
+/tools/codegen/miniaudio_amalgamator.c
-tools/codegen/miniaudio_codegen_utils.c
+/tools/codegen/miniaudio_codegen_utils.c
-tools/codegen/miniaudio_docgen.c
+/tools/codegen/miniaudio_docgen.c
-tools/codegen/miniaudio_hrtfgen.c
+/tools/codegen/miniaudio_hrtfgen.c
-tools/codegen/miniaudio_splitter.c
+/tools/codegen/miniaudio_splitter.c