feat: clangd c++20 lsp example + add clang dependency

README.md

@@ -1,16 +1,19 @@
 # Renga
 
 Renga, a XMPP client designed for Haiku  
+
 ## Todo  
   
 - [x] make haiku-os compatible  
 - [ ] everything else  
+
 ## Test Renga  
   
 If you are doing development work on a local Haiku system, use:  
+
 ```bash
 # Install required dependencies
-pkgman install gcc make haiku_devel
+pkgman install make haiku_devel llvm19_clang
 # Build
 make build
 ./renga
@@ -19,6 +22,7 @@ make build
 ## Editor  
   
 My preferred editor is Vim, as such, I have placed an example of a vimrc file you can use to get autocomplete and allat working on Haiku. Just copy it to ~/config/settings/vim.  
+For C++20 support, copy the clang config.yaml from the examples folder to ~/config/settings/clangd/
   
 ### Authors  
 andre@iwakura.rip  

examples/config.yaml

@@ -0,0 +1,2 @@
+CompileFlags:
+  Add: [-std=c++20]