Add salt-lint support

doc/ale-salt.tmt

@@ -0,0 +1,43 @@
+===============================================================================
+ALE SALT Integration                                         *ale-salt-options*
+
+===============================================================================
+salt-lint                                                  *ale-salt-salt-lint*
+
+Website: https://github.com/warpnet/salt-lint
+
+
+Installation
+-------------------------------------------------------------------------------
+
+Install salt-lint in your a virtualenv directory, locally, or globally: >
+
+  pip install salt-lint # After activating virtualenv
+  pip install --user salt-lint # Install to ~/.local/bin
+  sudo pip install salt-lint # Install globally
+
+See |g:ale_virtualenv_dir_names| for configuring how ALE searches for
+virtualenv directories.
+
+
+Options
+-------------------------------------------------------------------------------
+
+g:ale_salt_salt-lint_executable                *g:ale_salt_salt_lint_executable*
+                                               *b:ale_salt_salt_lint_executable*
+  Type: |String|
+  Default: `'salt-lint'`
+
+  This variable can be set to change the path to salt-lint.
+
+
+g:ale_salt_salt-lint_options                      *g:ale_salt_salt-lint_options*
+                                                  *b:ale_salt_salt-lint_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to salt-lint.
+
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

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

@@ -428,6 +428,8 @@ Notes:
   * `rust-analyzer`
   * `rustc` (see |ale-integration-rust|)
   * `rustfmt`
+* Salt
+  * `salt-lint`
 * Sass
   * `sass-lint`
   * `stylelint`

doc/ale.txt

@@ -2882,6 +2882,8 @@ documented in additional help files.
     rls...................................|ale-rust-rls|
     rustc.................................|ale-rust-rustc|
     rustfmt...............................|ale-rust-rustfmt|
+  salt....................................|ale-salt-options|
+    salt-lint.............................|ale-salt-salt-lint|
   sass....................................|ale-sass-options|
     sasslint..............................|ale-sass-sasslint|
     stylelint.............................|ale-sass-stylelint|