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-bicep.txt

@@ -0,0 +1,24 @@
+===============================================================================
+ALE Bicep Integration                                        *ale-bicep-options*
+
+
+===============================================================================
+bicep                                                          *ale-bicep-bicep*
+
+g:ale_bicep_bicep_executable                      *g:ale_bicep_bicep_executable*
+                                                  *b:ale_bicep_bicep_executable*
+  Type: |String|
+  Default: `'bicep'`
+
+  This variable can be set to change the path to bicep.
+
+
+g:ale_bicep_bicep_options                            *g:ale_bicep_bicep_options*
+                                                     *b:ale_bicep_bicep_options*
+  Type: |String|
+  Default: `'build --outfile /dev/null'`
+
+  This variable can be set to pass additional options to bicep.
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

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

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

doc/ale.txt

@@ -2787,6 +2787,8 @@ documented in additional help files.
     buildifier............................|ale-bazel-buildifier|
   bib.....................................|ale-bib-options|
     bibclean..............................|ale-bib-bibclean|
+  bicep...................................|ale-bicep-options|
+    bicep.................................|ale-bicep-bicep|
   bitbake.................................|ale-bitbake-options|
     oelint-adv............................|ale-bitbake-oelint_adv|
   c.......................................|ale-c-options|