Questd network unit tests

• Functional API tests, functional tests, and unit tests are implemented.
• Spec documentations are added for both network and system objects.

added 63 commits

• 8d5b8191...435c3485 - 2 commits from branch devel
• 7dace795 - Initial commit
• 6c8ec0ab - Increase buffer size on chrCmd
• 7d81c3f8 - Update gitignore
• bf57706a - Add value checking for unit tests
• e254d186 - Functional api tests are added
• b47bd3e8 - Add unit, functional, and api tests to the pipeline
• 53a68db3 - Update script paths
• 70d7acec - Minor bug fix
• 324fa632 - Minor bug fix
• dc5f6b2c - add ls
• 9bac04ec - debug
• d23c7c0b - supervisor fix
• 3228ce7f - supervisor fix
• 14b11dd1 - artifact
• c3a8d8d0 - tap report added
• 4ca36d4e - remove build directory
• 5c953dee - update functional script
• 97306a9a - minor fix
• b78953f2 - minor fix
• df4aad5e - minor fix
• f1277cda - minor fix
• 35db85ef - checkpatch corrections are completed
• 464a5f9c - Update pipeline
• e5cd5518 - Upload artifact path name
• 96c00aa9 - Minor fix
• b6ab82f6 - Update folder structure
• 1d2d971a - Documentation update
• dcb0e2f1 - Update router.network.md
• f7990116 - Update router.system.md
• ccfc8015 - Update router.system.md
• 4f04ca83 - Update router.network.md
• 31094e7a - Update testspec.md
• a3c8a34b - Update testspec.md
• 27026823 - Update testspec.md
• 65fd7ea7 - Update testspec.md
• 6d43a5fa - Update testspec.md
• a2973016 - Update testspec.md
• 66453f57 - Update testspec.md
• b91609cf - Update ubus.splash.md
• 93fa6237 - Update router.network.md
• 3324cf04 - Update router.system.md
• 714bee65 - Update router.network.md
• ba9b3e6c - Update router.network.md
• ecb4bed5 - Update router.system.md
• 4f117c45 - Update functionspec.md
• 64f73072 - Update testspec.md
• 8025e204 - WIP: UCI Unit test
• 5b1ba081 - Update reload tests
• 846f3488 - Fix memory leaks
• 1d848262 - Update doc
• 5f2d4ab1 - Update functionspec.md
• 4d1796ff - update doc
• 01b21469 - Update router.network.md
• fdcec2fc - Update testspec.md
• bf1e7eac - Update testspec.md
• 7e6808e4 - name fix
• 37a22de3 - bug fix
• 928c244a - some minor coding style and script suggestions
• 4443f30d - minor annotations for docs
• 982951ec - Documentation update according to the feedback
• 278b7e38 - Delete pdf

Compare with previous version

marked as a Work In Progress from 8025e204

unmarked as a Work In Progress

merged