Fix 2732 - Add bashate support

doc/ale-sh.txt

@@ -2,6 +2,29 @@
 ALE Shell Integration                                          *ale-sh-options*
 
 
+===============================================================================
+bashate                                                        *ale-sh-bashate*
+
+g:ale_sh_bashate_executable                       *g:ale_sh_bashate_executable*
+                                                  *b:ale_sh_bashate_executable*
+  Type: |String|
+  Default: `'bashate'`
+
+  This variable sets executable used for bashate.
+
+
+g:ale_sh_bashate_options                             *g:ale_sh_bashate_options*
+                                                     *b:ale_sh_bashate_options*
+  Type: |String|
+  Default: `''`
+
+  With this variable we are able to pass extra arguments for bashate. For
+  example to ignore the indentation rule:
+
+>
+  let g:ale_sh_shellcheck_options = '-i E003'
+<
+
 ===============================================================================
 sh-language-server                                     *ale-sh-language-server*
 

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

@@ -31,6 +31,7 @@ Notes:
 * Awk
   * `gawk`
 * Bash
+  * `bashate`
   * `language-server`
   * `shell` (-n flag)
   * `shellcheck`

doc/ale.txt

@@ -2593,6 +2593,7 @@ documented in additional help files.
     sasslint..............................|ale-scss-sasslint|
     stylelint.............................|ale-scss-stylelint|
   sh......................................|ale-sh-options|
+    bashate...............................|ale-sh-bashate|
     sh-language-server....................|ale-sh-language-server|
     shell.................................|ale-sh-shell|
     shellcheck............................|ale-sh-shellcheck|