Files improvment according TAC criteria

-renaming of MAINTAINERS to COMMITERS;
-creation of a GOVERNANCE file with links to the COMPAS Technical Charter;
- creation of a SUPPORT file with links to mailing lists, slack…

Signed-off-by: FredFousPro [email protected]

Author: FredFousPro

MAINTAINERS.md renamed to COMMITERS.md

@@ -0,0 +1,5 @@
+# Governance
+
+[Technical Charter applicable to the CoMPAS project](/CoMPAS%20Technical%20Charter%207-6-2020.pptx)
+
+

GOVERNANCE.md

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+# Support
+## _Key Links_
+
+- Website: [CoMPAS - LF Energy](https://www.lfenergy.org/projects/compas/)
+- [Artwork](https://github.com/lf-energy/artwork/tree/main/projects/compas)	
+- Mailing lists:
+    - [CoMPAS](https://lists.lfenergy.org/g/CoMPAS)	
+    - [CoMPAS-dev](https://lists.lfenergy.org/g/CoMPAS-dev)
+    - [CoMPAS-tsc](https://lists.lfenergy.org/g/CoMPAS-tsc)
+- [slack](https://lfenergy.slack.com/)