docs: simplify mason section to cross-reference tia-lsp.nvim, add manual setup steps

README.md

@@ -58,14 +58,25 @@ make test
 # or: lua src/main.lua --test
 ```
 
-### Mason Installation (Neovim)
+### Neovim + Mason (Recommended)
 
-For Neovim users, install via [mason.nvim](https://github.com/mason-org/mason.nvim) using a custom registry. See the [`tia-lsp.nvim` README](https://gitea.l-tech.rs/lazar/tia-lsp.nvim) for full setup instructions.
+The recommended way is via [mason.nvim](https://github.com/mason-org/mason.nvim) using the
+[`tia-mason-registry`](https://gitea.l-tech.rs/lazar/tia-mason-registry). See the
+[`tia-lsp.nvim` README](https://gitea.l-tech.rs/lazar/tia-lsp.nvim) for full step-by-step instructions.
 
-Quick summary:
-1. Add the `tia-mason-registry` as a lazy.nvim plugin
-2. Register it with mason: `registries = { "file:~/.local/share/nvim/lazy/tia-mason-registry", "github:mason-org/mason-registry" }`
-3. `:MasonInstall tia-lsp`
+### Manual Setup
+
+```bash
+# 1. Clone this repository
+git clone --depth 1 https://gitea.l-tech.rs/lazar/tia-lsp.git ~/tia-lsp
+
+# 2. Compile the tree-sitter parser
+cc -fPIC -I ~/tia-lsp/src/tree_sitter -c ~/tia-lsp/src/parser.c -o ~/tia-lsp/parser.o
+cc -shared ~/tia-lsp/parser.o -o ~/tia-lsp/parser.so
+
+# 3. Start the server (or configure your editor to run this)
+lua ~/tia-lsp/src/main.lua
+```
 
 ## External UDT Support