only keep binary lockfiles

Author: rmalmain

.gitignore

@@ -1,9 +1,14 @@
 target
 target-bin
 out
-# Cargo.lock
 vendor
 
+# cargo lockfiles except from binaries
+**/Cargo.lock
+!fuzzers/**/Cargo.lock
+!utils/**/Cargo.lock
+
+
 .DS_Store
 .env
 .vscode
@@ -88,3 +93,6 @@ rustc-ice-*
 
 # log
 log
+
+# Coredumps
+**/*.core