Adding .gitignore file.

Updating sky130_fd_sc_hvl 0.0.3.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
tree: 8e9203169918548fb76bf61447ef9771c2b85360
  1. .gitignore
  2. LICENSE
  3. README.rst
  4. cells/
  5. models/
  6. tech/
  7. timing/