perf: enable debug symbols when building for release

This gives output that is easier to understand for "cargo flamegraph".

Sponsored-by: author

1 files changed, 3 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 2b08d0b..7008767 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,3 +28,6 @@ fehler = "1.0.0"
 pandoc = "0.8.9"
 pandoc_ast = "0.7.0"
 serde_json = "1.0.81"
+
+[profile.release]
+debug = true