nvim: split plugins into multiple files

.config/nvim/lua/plugins/mason.lua

@@ -0,0 +1,32 @@
+return {
+  -- lang server installations
+  {
+    'williamboman/mason.nvim',
+    dependencies = {
+      {
+        'jose-elias-alvarez/null-ls.nvim',
+        config = function()
+          require("null-ls").setup({
+            sources = {
+              require("null-ls").builtins.formatting.black,
+              require("null-ls").builtins.formatting.mdformat
+            }
+          })
+        end
+      },
+      {
+        'jay-babu/mason-null-ls.nvim',
+        opts = {
+          automatic_installation = true,
+          ensure_installed = { "black", "mdformat" }
+        }
+      },
+
+    },
+    opts = {
+      ui = {
+        icons = Install_signs
+      }
+    }
+  }
+}