refactor: move more stdlib functions to builtins

.editorconfig

@@ -0,0 +1,7 @@
+root = true
+
+[tests/golden/*.jsonnet.golden]
+generated_code = true
+indent_style = space
+indent_size = 4
+insert_final_newline = false

.envrc

@@ -1 +1,8 @@
+RED='\033[0;31m'
+RESET='\033[0m'
+
 use flake
+
+if ! diff .github/hooks/pre-commit .git/hooks/pre-commit >/dev/null; then
+echo -e "${RED}Hooks are updated, read .github/hooks/pre-commit, and then install it with cp .github/hooks/pre-commit .git/hooks/pre-commit${RESET}"
+fi

.github/hooks/pre-commit

@@ -0,0 +1 @@
+cargo xtask lint