tick kick-off & maintainers prep status (#943)

* tick kick-off & maintainers prep status

* Tick build test runner

@bergjohan has added a test runner for C at https://github.com/exercism/c-test-runner

* Correct URL markdown

languages/c/README.md

@@ -12,8 +12,8 @@ This area will contain everything needed to launch the C track, including:
 
 Before we publicize requesting contribution for this language, the following steps should be done.
 
-- [ ] Have a kick-off discussion between track maintainers
-- [ ] Fill out the [maintainers.md](./maintainers.md) file (e.g. [C#](../csharp/maintainers.md))
+- [x] Have a kick-off discussion between track maintainers
+- [x] Fill out the [maintainers.md](./maintainers.md) file (e.g. [C#](../csharp/maintainers.md))
 - [x] Ensure there is a link to your track's GitHub issues on the [main README.md](../../README.md)
 - [ ] [Write a Concept Exercise implementation guide](../../docs/maintainers/writing-a-concept-exercise-github-issue.md)
 - [ ] [List out key Concepts for your language](../../docs/maintainers/determining-concepts.md)
@@ -41,7 +41,7 @@ Before launch, we need all of the following parts to be completed:
 
 ### Test Runner
 
-- [ ] Build Test Runner
+- [x] [Build Test Runner](https://github.com/exercism/c-test-runner)
 - [ ] Deploy Test Runner
 
 ## Extra magic