v1.2

What's Changed

• format code by @lubyant in #2
• Clang tidy by @lubyant in #3
• Use unique_ptr for transect and intersect by @lubyant in #4
• Update Dockerfile by @lubyant in #5
• Use unique_ptr for shoreline by @lubyant in #7
• Build spatial index to speed up by @lubyant in #6
• Update version 1.2 by @lubyant in #8

Full Changelog: v1.0.0...v1.2