feat: Add blink.cmp completion source (#264)

* feat: Add Codeium Toggle command

Add possibility to enable/disable Codeium completion

* chore: refactor api module

simplify Server implementation by using OOP style. Now it's better work
with LSPs

* feat: Add blink.cmp completion source

* update blink support for the latest version

add kind_icon

Author: aliaksandr-trush

README.md

@@ -71,6 +71,8 @@ your browser and pasting it into API token request.
 To use Windsurf Chat, execute the `:Codeium Chat` command. The chat will be opened
 in your default browser using the xdg-open command.
 
+You can globaly enable or disable Codeium Completion with `:Codeium Toggle` command.
+
 ## Options
 
 - `config_path`: the path to the config file, used to store the API key.
@@ -151,6 +153,29 @@ cmp.setup({
 })
 ```
 
+### blink.cmp
+
+Configuration example for [blink.cmp](https://github.com/Saghen/blink.cmp):
+
+```lua
+{
+  'saghen/blink.cmp',
+  dependencies = {
+    {
+      'Exafunction/codeium.nvim',
+    },
+  },
+  opts = {
+    sources = {
+      default = { 'lsp', 'path', 'snippets', 'buffer', 'codeium' },
+      providers = {
+        codeium = { name = 'Codeium', module = 'codeium.blink', async = true },
+      },
+    },
+  },
+}
+```
+
 ### Virtual Text
 
 The plugin supports showing completions in virtual text. Set `virtual_text.enabled` in the options to `true` to enable it.