feat: update readme

README.md

@@ -15,7 +15,7 @@
 1. Clone this repository and navigate into the directory.
 
 2. Start the services:
-```bash
+```shell
 docker compose up -d
 ```
 
@@ -25,7 +25,7 @@ Download the `roots.pem` from [https://localhost:9000/roots.pem](https://localho
 This is necessary for the certificates to be trusted by your browser.
 
 - Linux
-```bash
+```shell
 sudo trust anchor --store roots.pem
 ```
 
@@ -35,7 +35,7 @@ Import-Certificate -FilePath "roots.pem" -CertStoreLocation "Cert:\LocalMachine\
 ```
 
 - macOS
-```bash
+```shell
 sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain roots.pem
 ```
 
@@ -62,7 +62,7 @@ labels:
 > For each overwritten port you need to specify a custom `service-label` `traefik.http.services.[service-label]`. Otherwise the custom port will not be detected.
 
 - If certificates are not renewed or have expired
-```bash
+```shell
 docker compose up -d --force-recreate traefik
 ```
 
@@ -91,7 +91,7 @@ Replace `.dev.local` with your custom domain suffix in the `config/dns/config.sa
 ```
 
 Restart the docker services to apply the changes:
-```bash
+```shell
 docker compose down
 docker compose up -d --force-recreate
 ```
@@ -110,7 +110,7 @@ The service would now be reachable at `https://my-app.very.cool` and `https://my
 ### Certificate Lifetime
 
 To ensure Traefik has enough time to renew certificates, increase their duration:
-```bash
+```shell
 docker compose exec step step ca provisioner update acme \
   --x509-min-dur=20m \
   --x509-max-dur=8760h \
@@ -119,8 +119,8 @@ docker compose exec step step ca provisioner update acme \
 
 ### Use the preconfigured services
 
-If you use the preconfigured services, you can add the following snippet to you `.bashrc/.zshrc` to easily start, stop, and manage the services.
-```bash
+If you use the preconfigured services, you can add the following snippet to you `.bashrc`/`.zshrc` to easily start, stop, and manage the services.
+```shell
 dev () {
   PROJECT_DIR="$HOME/Projects/dev/services"
   case "$1" in