feat: Update LICENSE to mention wasm-sysroot origins

Author: SersemPeca

LICENSE

@@ -659,3 +659,6 @@ specific requirements.
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU AGPL, see
 <https://www.gnu.org/licenses/>.
+
+The wasm-sysroot is copied from the tree-sitter repo.
+<https://github.com/tree-sitter/tree-sitter>.

nix/shells/main.nix

@@ -186,7 +186,6 @@ mkShell {
     export CPPFLAGS_wasm32_unknown_unknown="--target=wasm32 --sysroot=$(pwd)/src/db-backend/wasm-sysroot -isystem $(pwd)/src/db-backend/wasm-sysroot/include"
     export CFLAGS_wasm32_unknown_unknown="-I$(pwd)/src/db-backend/wasm-sysroot/include -DNDEBUG -Wbad-function-cast -Wcast-function-type -fno-builtin"
 
-
     # copied from https://github.com/NixOS/nix/issues/8034#issuecomment-2046069655
     ROOT_PATH=$(git rev-parse --show-toplevel)