feat: add tea-leaves support (#3271)

lua/lspconfig/server_configurations/tea_leaves.lua

@@ -0,0 +1,31 @@
+local util = require 'lspconfig.util'
+
+return {
+  default_config = {
+    cmd = {
+      'tea-leaves',
+    },
+    filetypes = {
+      'teal',
+    },
+    root_dir = util.root_pattern 'tlconfig.lua',
+  },
+  docs = {
+    description = [[
+https://github.com/svermeulen/tea-leaves
+
+Install with:
+```
+luarocks install tea-leaves
+```
+
+Optional Command Args:
+* "--log-mode=by_date" - Enable logging in $HOME/.cache/tea-leaves. Log name will be date + pid of process
+* "--log-mode=by_proj_path" - Enable logging in $HOME/.cache/tea-leaves. Log name will be project path + pid of process
+* "--verbose=true" - Increases log level.  Does nothing unless log-mode is set
+]],
+    default_config = {
+      root_dir = [[root_pattern("tlconfig.lua")]],
+    },
+  },
+}