Add in support for C3 lang

[boyter]

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[Copilot]

Copilot reviewed 2 out of 6 changed files in this pull request and generated no comments.

Files not reviewed (4)

• SCC-OUTPUT-REPORT.html: Language not supported
• examples/language/c3.c3: Language not supported
• languages.json: Language not supported
• test-all.sh: Language not supported

Comments suppressed due to low confidence (2)

processor/constants.go:1265

• [nitpick] The insertion of "case " in this common token list may be redundant given that an equivalent token is also present in the C3 language configuration. Please verify if this duplicate entry is intentional or if it should be removed to avoid potential conflicts.

"case "

LANGUAGES.md:44

• [nitpick] The C3 language entry appears to be out of the expected alphabetical order compared to other entries. Consider reordering the list for easier scanning and consistency with the remainder of the file.

C3 (c3)