Application to test DWG file by LibreDWG JSON conversions.

Changes for 0.02 - 2023-08-04T01:10:06+02:00

• Add description to tool doc.
• Add detection of DWG file version and add to dwgwrite command.
• Add example to doc.
• Add link to another script to doc.
• Fix description of class in doc.
• Fix typo in doc.
• Update Module::Install to 1.21 version.