Update the help usage for odo create and odo url create

**What type of PR is this?**
> Uncomment only one ` /kind` line, and delete the rest.
> For example, `> /kind bug` would simply become: `/kind bug`

/kind cleanup
/kind documentation

**What does does this PR do / why we need it**:

Updates the `--help` in the following way:
 - Changes the `odo create --help` usage to a 1-sentence summary similar
 to every other command
 - Updates our documentation to remove any mention of crc for something
 more neutral (example.com) similar to kubectl / kubernetes
 documentation, for example: https://kubernetes.io/docs/concepts/services-networking/ingress/

**Which issue(s) this PR fixes**:

Fixes redhat-developer#3463

**PR acceptance criteria**:

- [X] Documentation

- [X] I have read the [test guidelines](https://github.com/openshift/odo/blob/master/docs/dev/test-architecture.adoc)

**How to test changes / Special notes to the reviewer**:

`odo create --help`

and

`odo url create --help`

Signed-off-by: Charlie Drage <charlie@charliedrage.com>

docs/public/deploying-a-devfile-using-odo.adoc

@@ -143,8 +143,8 @@ Alternatively, you can pass in `--starter` to `odo create` to have odo download
 +
 [source,sh]
 ----
- $ odo url create 
- ✓ URL myspring-8080.apps-crc.testing created for component: myspring
+ $ odo url create  --host example.com
+ ✓ URL myspring-8080.example.com created for component: myspring
 
  To apply the URL configuration changes, please use odo push
 ----
@@ -164,7 +164,7 @@ NOTE: If deploying on Kubernetes, you need to pass ingress domain name via `--ho
  ✓ Waiting for component to start [5s]
 
  Applying URL changes
- ✓ URL myspring-8080: http://myspring-8080.apps-crc.testing created
+ ✓ URL myspring-8080: http://myspring-8080.example.com created
 
  Syncing to component myspring
  ✓ Checking files for pushing [2ms]
@@ -185,14 +185,14 @@ NOTE: If deploying on Kubernetes, you need to pass ingress domain name via `--ho
  $ odo url list
  Found the following URLs for component myspring
  NAME URL PORT SECURE
- myspring-8080 http://myspring-8080.apps-crc.testing 8080 false
+ myspring-8080 http://myspring-8080.example.com 8080 false
 ----
 
 . View your deployed application using the generated URL:
 +
 [source,sh]
 ----
- $ curl http://myspring-8080.apps-crc.testing
+ $ curl http://myspring-8080.example.com
 ----
 
 . To delete your deployed application:
@@ -250,8 +250,8 @@ In this example we will be deploying an https://github.com/odo-devfiles/nodejs-e
 +
 [source,sh]
 ----
- $ odo url create 
- ✓ URL mynodejs-8080.apps-crc.testing created for component: mynodejs
+ $ odo url create --host example.com
+ ✓ URL mynodejs-8080.example.com created for component: mynodejs
 
  To apply the URL configuration changes, please use odo push
 ----
@@ -271,7 +271,7 @@ NOTE: If deploying on Kubernetes, you need to pass ingress domain name via `--ho
  ✓ Waiting for component to start [3s]
 
  Applying URL changes
- ✓ URL mynodejs-3000: http://mynodejs-3000.apps-crc.testing created
+ ✓ URL mynodejs-3000: http://mynodejs-3000.example.com created
 
  Syncing to component mynodejs
  ✓ Checking files for pushing [2ms]
@@ -292,14 +292,14 @@ NOTE: If deploying on Kubernetes, you need to pass ingress domain name via `--ho
  $ odo url list
  Found the following URLs for component mynodejs
  NAME URL PORT SECURE
- mynodejs-8080 http://mynodejs-8080.apps-crc.testing 8080 false
+ mynodejs-8080 http://mynodejs-8080.example.com 8080 false
 ----
 
 . View your deployed application using the generated URL:
 +
 [source,sh]
 ----
- $ curl http://mynodejs-8080.apps-crc.testing
+ $ curl http://mynodejs-8080.example.com
 ----
 
 . To delete your deployed application:
@@ -342,8 +342,8 @@ In this example we will be deploying a https://github.com/odo-devfiles/quarkus-e
 +
 [source,sh]
 ----
- $ odo url create 
- ✓ URL myquarkus-8080.apps-crc.testing created for component: myquarkus
+ $ odo url create  --host example.com
+ ✓ URL myquarkus-8080.example.com created for component: myquarkus
 
  To apply the URL configuration changes, please use odo push
 ----
@@ -385,7 +385,7 @@ Pushing devfile component myquarkus
  $ odo url list
  Found the following URLs for component myspring
  NAME URL PORT SECURE
- myquarkus-8080 http://myquarkus-8080.apps-crc.testing 8080 false
+ myquarkus-8080 http://myquarkus-8080.example.com 8080 false
 ----
 
 You can now continue developing your application. Just run `odo push` and refresh your browser to view the latest changes.

pkg/odo/cli/url/create.go

@@ -44,20 +44,20 @@ var (
  %[1]s example --port 8080
  `)
 
- urlCreateExampleExperimental = ktemplates.Examples(` # Create a URL with a specific host by automatically detecting the port used by the component (using CRC as an exampple)
- %[1]s example --host apps-crc.testing
+ urlCreateExampleExperimental = ktemplates.Examples(` # Create the URL myurl.example.com by automatically detecting the port used by the component
+ %[1]s myurl --host example.com
  
- # Create a URL with a specific name and host (using CRC as an example)
- %[1]s example --host apps-crc.testing
+ # Create a URL with a specific name and host
+ %[1]s myurl --host example.com
 
- # Create a URL for the current component with a specific port and host (using CRC as an example)
- %[1]s --port 8080 --host apps-crc.testing
+ # Create a URL for the current component with a specific port and host
+ %[1]s --port 8080 --host example.com
 
- # Create a URL of ingress kind for the current component with a host (using CRC as an example)
- %[1]s --host apps-crc.testing --ingress
+ # Create a URL of ingress kind for the current component with a host
+ %[1]s --host example.com --ingress
 
- # Create a secure URL for the current component with a specific host (using CRC as an example)
- %[1]s --host apps-crc.testing --secure
+ # Create a secure URL for the current component with a specific host
+ %[1]s --host example.com --secure
  `)
 
  urlCreateExampleDocker = ktemplates.Examples(` # Create a URL with a specific name by automatically detecting the port used by the component