[GRASS-git] [OSGeo/grass] 53c362: lib/external: Add parson library for JSON (#3028)

[Corey White]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 53c362dbd118f67a0dd7cbf00a0e6f967eae1b58
      https://github.com/OSGeo/grass/commit/53c362dbd118f67a0dd7cbf00a0e6f967eae1b58
  Author: Corey White <smortopahri at gmail.com>
  Date:   2024-01-05 (Fri, 05 Jan 2024)

  Changed paths:
    M Makefile
    M grasslib.dox
    M include/Make/Grass.make
    M include/Make/Install.make
    M lib/README
    M lib/external/Makefile
    M lib/external/README.license
    A lib/external/README.md
    A lib/external/parson/LICENSE
    A lib/external/parson/Makefile
    A lib/external/parson/README.md
    A lib/external/parson/parson.c
    A lib/external/parson/parson.h

  Log Message:
  -----------
  lib/external: Add parson library for JSON (#3028)

* lib/external: Added documentation to adding new external libraries
* Updated GRASS Programmer's manual docs
* update parson from 1.5.2 to 1.5.3 released Oct 31st