Support zls language server for zig

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

@@ -510,3 +510,5 @@ Notes:
   * `yamllint`
 * YANG
   * `yang-lsp`
+* Zig
+  * `zls`

doc/ale-zig.txt

@@ -0,0 +1,33 @@
+===============================================================================
+ALE Zig Integration                                           *ale-zig-options*
+                                                          *ale-integration-zig*
+
+===============================================================================
+Integration Information
+
+  Currently, the only supported linter for zig is zls.
+
+===============================================================================
+zls                                                               *ale-zig-zls*
+
+g:ale_zig_zls_executable                             *g:ale_zig_zls_executable*
+                                                     *b:ale_zig_zls_executable*
+  Type: |String|
+  Default: `'zls'`
+
+  This variable can be modified to change the executable path for `zls`.
+
+
+g:ale_zig_zls_config                                     *g:ale_zig_zls_config*
+                                                         *b:ale_zig_zls_config*
+  Type: |Dictionary|
+  Default: `{}`
+
+  WARNING: As of writing, zls does not support receiving configuration
+  from the client. This variable is a PLACEHOLDER until it does.
+
+  Dictionary with configuration settings for zls.
+
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

doc/ale.txt

@@ -2676,6 +2676,8 @@ documented in additional help files.
     yamllint..............................|ale-yaml-yamllint|
   yang....................................|ale-yang-options|
     yang-lsp..............................|ale-yang-lsp|
+  zig.....................................|ale-zig-options|
+    zls...................................|ale-zig-zls|
 
 
 ===============================================================================