Add install options (#177) (#178)

Signed-off-by: Benjamin Huo <benjamin@kubesphere.io>

Author: benjaminhuo

README.md

@@ -13,10 +13,10 @@ Contributions of any kind are welcome!
 2. Run the following commands to clone your fork and enter into it. Make sure you replace `<Your GitHub ID>` with your GitHub ID.
 
    ```
-   git clone https://github.com/<Your GitHub ID>/website.git
-   cd website
+   git clone https://github.com/<Your GitHub ID>/openfunction.dev.git
+   cd openfunction.dev
    ```
-### Build and preview the website
+### Build and preview the openfunction.dev
 
 #### Pre-requisites
 
@@ -27,24 +27,24 @@ Contributions of any kind are welcome!
 
 1. Ensure pre-requisites are installed
 1. Clone repository
-1. Change to website directory: `cd website`
+1. Change to openfunction.dev directory: `cd openfunction.dev`
 1. Add Docsy submodule: `git submodule add https://github.com/google/docsy.git themes/docsy`
 1. Update submodules: `git submodule update --init --recursive`
 1. Install npm packages: `npm install`
 
-### Running the website locally
+### Running the openfunction.dev locally
 
 After you setup the environment, run the following command:
 
 ```
 hugo server -D
 ```
 
-Now you can preview the website in your browser at `http://localhost:1313/`.
+Now you can preview the openfunction.dev in your browser at `http://localhost:1313/`.
 
 ### Open a pull request
 
-Open a [pull request (PR)](https://help.github.com/en/desktop/contributing-to-projects/creating-an-issue-or-pull-request#creating-a-new-pull-request) to contribute to our website. Use DCO sign-off when you submit a PR by running the command below (add `-s`):
+Open a [pull request (PR)](https://help.github.com/en/desktop/contributing-to-projects/creating-an-issue-or-pull-request#creating-a-new-pull-request) to contribute to our openfunction.dev. Use DCO sign-off when you submit a PR by running the command below (add `-s`):
 
 ```bash
 git commit -s -m "xxx"

content/en/docs/getting-started/installation.md

@@ -41,24 +41,46 @@ This option is the **recommended** installation method.
 - Helm version: `>=v3.6.3`
 
 #### install the chart
-1. Run the following command to add the OpenFunction chart repository.
+
+1. Run the following command to add the OpenFunction chart repository first:
    ```shell
    helm repo add openfunction https://openfunction.github.io/charts/
    helm repo update
    ```
 
-2. Run the following command to install the OpenFunction chart.
-   ```shell
-   kubectl create namespace openfunction
-   helm install openfunction openfunction/openfunction -n openfunction
-   ```
+2. Then you have several options to setup OpenFunction, you can choose to:
+
+   - Install all components:
+      ```shell
+      kubectl create namespace openfunction
+      helm install openfunction openfunction/openfunction -n openfunction
+      ```
+   
+   - Install Serving only (without build):
+      ```shell
+      kubectl create namespace openfunction
+      helm install openfunction --set ShipwrightBuild.enabled=false --set TektonPipelines.enabled=false openfunction/openfunction -n openfunction
+      ```
+   
+   - Install Knative sync runtime only:
+      ```shell
+      kubectl create namespace openfunction
+      helm install openfunction --set Keda.enabled=false openfunction/openfunction -n openfunction
+      ```
+   
+   - Install OpenFunction async runtime only:
+      ```shell
+      kubectl create namespace openfunction
+      helm install openfunction --set IngressNginx.enabled=false  --set KnativeServing.enabled=false openfunction/openfunction -n openfunction
+      ```
+
    {{% alert title="Note" color="success" %}}
 
    For more information about how to install OpenFunction with Helm, see [Install OpenFunction with Helm](https://github.com/OpenFunction/charts/tree/release-0.6#install-the-chart).
 
    {{% /alert %}}
 
-3. Run the following command to verify OpenFunction is ready.
+3. Run the following command to verify OpenFunction is up and running:
    ```shell
    kubectl get pods -namespace openfunction
    ```