fix(ai): blink.cmp should be default completion plugin (#174)

Author: matallui

src/content/docs/recipes/ai.mdx

@@ -26,7 +26,7 @@ These configurations set up the completion engines to look for a function stored
 
 #### [blink.cmp](https://github.com/Saghen/blink.cmp) Integration
 
-[blink.cmp](https://github.com/Saghen/blink.cmp) is another popular completion plugin. This configures the `<Tab>` key as described above:
+By default AstroNvim comes with [blink.cmp](https://github.com/Saghen/blink.cmp) for completion. This modifies the default configuration to set up the `<Tab>` key as described above:
 
 ```lua title="lua/plugins/cmp_ai.lua"
 return {
@@ -52,7 +52,7 @@ return {
 
 #### [nvim-cmp](https://github.com/hrsh7th/nvim-cmp) Integration
 
-By default AstroNvim comes with [`nvim-cmp`](https://github.com/hrsh7th/nvim-cmp) for completion. This modifies the default configuration to set up the `<Tab>` key as described above:
+[`nvim-cmp`](https://github.com/hrsh7th/nvim-cmp) is another popular completion plugin. This configures the `<Tab>` key as described above:
 
 ```lua title="lua/plugins/cmp_ai.lua"
 return {