Move lsp config to local file structure

.config/nvim/lsp/glslls.lua

@@ -0,0 +1,23 @@
+---@brief
+---
+--- https://github.com/svenstaro/glsl-language-server
+---
+--- Language server implementation for GLSL
+---
+--- `glslls` can be compiled and installed manually, or, if your distribution has access to the AUR,
+--- via the `glsl-language-server` AUR package
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'glslls', '--stdin' },
+  filetypes = { 'glsl', 'vert', 'tesc', 'tese', 'frag', 'geom', 'comp' },
+  root_markers = { '.git' },
+  capabilities = {
+    textDocument = {
+      completion = {
+        editsNearCursor = true,
+      },
+    },
+    offsetEncoding = { 'utf-8', 'utf-16' },
+  },
+}