Add support for Microsoft's DSL Bicep (#4310)

* Add support for Microsoft's DSL Bicep

The compilation command 'bicep build' catches compilation errors as well
as providing some lint warnings.

Repository for Bicep: https://github.com/Azure/bicep

* Different null file on Windows & hardcode commands

doc/ale-supported-languages-and-tools.txt

@@ -52,6 +52,8 @@ Notes:
   * `buildifier`
 * BibTeX
   * `bibclean`
+* Bicep
+  * `bicep`
 * BitBake
   * `oelint-adv`
 * Bourne Shell