Add bashls

nvim/lua/language_servers/bashls.lua

@@ -0,0 +1,44 @@
+local utils = require("lspconfig.util")
+
+return {
+    default_config = {
+        cmd = { "bash-language-server", "start" },
+        settings = {
+            bashIde = {
+                -- Glob pattern for finding and parsing shell script files in the workspace.
+                -- Used by the background analysis features across files.
+
+                -- Prevent recursive scanning which will cause issues when opening a file
+                -- directly in the home directory (e.g. ~/foo.sh).
+                --
+                -- Default upstream pattern is "**/*@(.sh|.inc|.bash|.command)".
+                globPattern = vim.env.GLOB_PATTERN or "**/*@(.sh|.inc|.bash|.command|.zsh|zshrc|zsh_*)",
+            },
+            bash = {
+                format = {
+                    enable = true,
+                    shell = "shfmt",
+                    args = {
+                        "-i",
+                        "4",
+                        "-bn",
+                        "-ci"
+                    }
+                },
+                ignorePatterns = {
+                    "node_modules",
+                    ".git"
+                },
+                lint = {
+                    enable = true
+                },
+                trace = {
+                    server = "verbose"
+                },
+            },
+        },
+        filetypes = { "sh", "zsh" },
+        root_dir = utils.find_git_ancestor,
+        single_file_support = true,
+    },
+}