Started adding julia languageserver

autoload/ale/julia.vim

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+" Set just so tests can override it.
+let g:__ale_julia_project_filenames = ['.git/HEAD']
+function! ale#julia#FindProjectRoot(buffer) abort
+    for l:project_filename in g:__ale_julia_project_filenames
+        let l:full_path = ale#path#FindNearestFile(a:buffer, l:project_filename)
+
+        if !empty(l:full_path)
+            let l:path = fnamemodify(l:full_path, ':h')
+
+            " Correct .git path detection.
+            if fnamemodify(l:path, ':t') is# '.git'
+                let l:path = fnamemodify(l:path, ':h')
+            endif
+
+            return l:path
+        endif
+    endfor
+
+    return ''
+endfunction
+