recommend installing webdog with locked dependencies

README.md

@@ -3,7 +3,7 @@
 webdog, the static site generator fit for a dog :3
 
 ```sh
-cargo install webdog
+cargo install webdog --locked
 ```
 
 after installing, you can create your first site:

site/pages/index.md

@@ -5,7 +5,7 @@ welcome to webdog, the static site generator fit for a dog :3
 if you have [rust](https://rust-lang.org) installed, all you need to do to install webdog is run the following command:
 
 ```sh
-cargo install webdog
+cargo install webdog --locked
 ```
 
 then you can make your first webdog site!