update: change codeblock language from bash to pkcli to apply custom …

…syntax highlighting

docs/getting-started/claiming-digital-identities.md

@@ -24,7 +24,7 @@ Linking your Polykey node to GitHub improves discoverability and simplifies trus
 
 Initiate authentication with GitHub to allow your node to access necessary identity information.
 
-```bash
+```pkcli
 polykey identities authenticate github.com
 ```
 
@@ -40,7 +40,7 @@ Follow the terminal prompts to log into GitHub and authorize Polykey to access y
 
 Link your GitHub identity with your Polykey node to establish a verifiable identity connection.
 
-```bash
+```pkcli
 polykey identities claim github.com:<my-gh-username>
 ```
 

docs/getting-started/installing-polykey-cli.md

@@ -428,7 +428,7 @@ Bootstrapping is the process for setting up a new Polykey node. This involves ge
 
 To start the Polykey agent in the background, run the following command:
 
-```bash
+```pkcli
 polykey agent start --background
 ```
 
@@ -457,7 +457,7 @@ Detailed explanations about the bootstrapping process can be expanded here for u
 
 To check the status of your Polykey agent, run:
 
-```bash
+```pkcli
 polykey agent status
 ```
 
@@ -477,7 +477,7 @@ If you have reached this step, you have successfully bootstrapped your first nod
 
 To explore the available primary commands and get more detailed help, use:
 
-```bash
+```pkcli
 polykey --help
 ```
 
@@ -495,7 +495,7 @@ polykey --help
 
 To stop the Polykey agent, use:
 
-```bash
+```pkcli
 polykey agent stop
 ```