Update points translation and centering

[salam99823]

Changes

Added

• public anchor module (f2c4560).
  • Enumeration Anchor:
    • Center for translate points by center of rect.
    • Vertical | Horizontal center to translate points by center of line.
    • Absolute center for translate points by center of her bounding box.
• utils module marked public (f2c4560).
• utils::center_of function for get center of polygon (03165ca).
• utils::bounding_box function for get bounding box of polygon (f2c4560).

Changed

• Upgrade dependencies: binary_image 0.6 (159761a).
• utils::translate function moved to anchor::Anchor implementation (f2c4560).
• utils::translate_objects function renamed to translate_polygons and moved to anchor::Anchor (f2c4560).

[shnewto]

another really useful contribution @salam99823, thank you for the time you're investing in this crate