Create ion_{braces,ranges} crates

.gitlab-ci.yml

Cargo.lock

Cargo.toml

ion_braces/Cargo.toml

ion_braces/src/lib.rs

ion_builtins/src/test.rs

ion_ranges/Cargo.toml

ion_ranges/src/index.rs

ion_ranges/src/lib.rs

ion_ranges/src/parse.rs

ion_ranges/src/range.rs

ion_ranges/src/select.rs

ion_sys/src/sys/unix/mod.rs

src/lib/lib.rs

src/lib/parser/shell_expand/mod.rs

src/lib/parser/shell_expand/words/methods/arrays.rs

src/lib/parser/shell_expand/words/methods/mod.rs

src/lib/parser/shell_expand/words/mod.rs

src/lib/parser/shell_expand/words/tests.rs

src/lib/shell/mod.rs