docs: make file paths bold

Author: kenjis

docs/install.md

@@ -12,7 +12,7 @@
     - [Protect All Pages](#protect-all-pages)
     - [Rate Limiting](#rate-limiting)
 
-These instructions assume that you have already [installed the CodeIgniter 4 app starter](https://codeigniter.com/user_guide/installation/installing_composer.html) as the basis for your new project, set up your `.env` file, and created a database that you can access via the Spark CLI script.
+These instructions assume that you have already [installed the CodeIgniter 4 app starter](https://codeigniter.com/user_guide/installation/installing_composer.html) as the basis for your new project, set up your **.env** file, and created a database that you can access via the Spark CLI script.
 
 ## Requirements
 
@@ -103,7 +103,7 @@ Require it with an explicit version constraint allowing its desired stability.
 There are a few setup items to do before you can start using Shield in
 your project.
 
-1. Copy the `Auth.php` and  `AuthGroups.php` from `vendor/codeigniter4/shield/src/Config/` into your project's config folder and update the namespace to `Config`. You will also need to have these classes extend the original classes. See the example below. These files contain all of the settings, group, and permission information for your application and will need to be modified to meet the needs of your site.
+1. Copy the **Auth.php** and  **AuthGroups.php** from **vendor/codeigniter4/shield/src/Config/** into your project's config folder and update the namespace to `Config`. You will also need to have these classes extend the original classes. See the example below. These files contain all of the settings, group, and permission information for your application and will need to be modified to meet the needs of your site.
 
     ```php
     // new file - app/Config/Auth.php
@@ -140,7 +140,7 @@ your project.
     service('auth')->routes($routes);
     ```
 
-4. **Security Setup** Set `Config\Security::$csrfProtection` to `'session'` (or set `security.csrfProtection = session` in your `.env` file) for security reasons, if you use Session Authenticator.
+4. **Security Setup** Set `Config\Security::$csrfProtection` to `'session'` (or set `security.csrfProtection = session` in your **.env** file) for security reasons, if you use Session Authenticator.
 
 5. **Migration** Run the migrations.
 
@@ -152,7 +152,7 @@ your project.
 
     When you run `spark migrate --all`, if you get `Class "SQLite3" not found` error:
 
-    1. Remove sample migration files in `tests/_support/Database/Migrations/`
+    1. Remove sample migration files in **tests/_support/Database/Migrations/**
     2. Or install `sqlite3` php extension
 
     If you get `Specified key was too long` error:
@@ -209,7 +209,7 @@ permission | Checks if the user has the passed permissions.
 
 These can be used in any of the [normal filter config settings](https://codeigniter.com/user_guide/incoming/filters.html?highlight=filter#globals), or [within the routes file](https://codeigniter.com/user_guide/incoming/routing.html?highlight=routs#applying-filters).
 
-> **Note** These filters are already loaded for you by the registrar class located at `src/Config/Registrar.php`.
+> **Note** These filters are already loaded for you by the registrar class located at **src/Config/Registrar.php**.
 
 ### Protect All Pages