docs: update server_configurations.md

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diff --git a/doc/server_configurations.md b/doc/server_configurations.md
index 3ccc0ae4..7657ffbd 100644
--- a/doc/server_configurations.md
+++ b/doc/server_configurations.md
@@ -207,6 +207,7 @@ autogenerated from the Lua files. You can view this file in Nvim by running
 - [prismals](#prismals)
 - [prolog_ls](#prolog_ls)
 - [prosemd_lsp](#prosemd_lsp)
+- [protols](#protols)
 - [psalm](#psalm)
 - [puppet](#puppet)
 - [purescriptls](#purescriptls)
@@ -8756,6 +8757,44 @@ require'lspconfig'.prosemd_lsp.setup{}
   ```
 
 
+## protols
+
+https://github.com/coder3101/protols
+
+`protols` can be installed via `cargo`:
+```sh
+cargo install protols
+```
+
+A Language Server for proto3 files. It uses tree-sitter and runs in single file mode.
+
+
+
+**Snippet to enable the language server:**
+```lua
+require'lspconfig'.protols.setup{}
+```
+
+
+**Default values:**
+  - `cmd` : 
+  ```lua
+  { "protols" }
+  ```
+  - `filetypes` : 
+  ```lua
+  { "proto" }
+  ```
+  - `root_dir` : 
+  ```lua
+  see source file
+  ```
+  - `single_file_support` : 
+  ```lua
+  true
+  ```
+
+
 ## psalm
 
 https://github.com/vimeo/psalm