First completion level is working (LSP connected)

meson.build

@@ -6,7 +6,8 @@ project('beluga', 'c',
 )
 
 cc = meson.get_compiler('c')
-m = cc.find_library('m', required: false)            
+m = cc.find_library('m', required: false)
+thread_dep = dependency('threads')
 
 # Source files
 src_files = files(
@@ -23,11 +24,15 @@ src_files = files(
   'src/builtins.c',
   'src/buffer.c',
   'src/split_screen.c',
-  'src/utf8.c'
+  'src/utf8.c',
+  'src/completion.c',
+  'src/lsp_ui.c',
+  'src/cJSON.c',
+  'src/utils.c'
 )
 
 # Executable
 executable('beluga',
   src_files,
-  dependencies: [m]
+  dependencies: [m, thread_dep]
 )