Move workspace members

.gitlab-ci.yml

Cargo.toml

members/braces/Cargo.toml

members/braces/src/lib.rs

members/builtins/Cargo.toml

members/builtins/src/calc.rs

members/builtins/src/conditionals.rs

members/builtins/src/echo.rs

members/builtins/src/lib.rs

members/builtins/src/random.rs

members/builtins/src/test.rs

members/ranges/Cargo.toml

members/ranges/src/index.rs

members/ranges/src/lib.rs

members/ranges/src/parse.rs

members/ranges/src/range.rs

members/ranges/src/select.rs

members/sys/Cargo.toml

members/sys/src/lib.rs

members/sys/src/sys/redox/mod.rs