Update README.md (#161)

* Update README.md

Correct a description as for a velocitas-cli installation

* Update README.md

Fix review findings

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Generalized invocation command

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Fix review findings

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Co-authored-by: dennismeister93 <dennis.meister@bosch.com>

* Update README.md

Fix linter

---------

Co-authored-by: dennismeister93 <dennis.meister@bosch.com>

README.md

@@ -316,31 +316,22 @@ _See code: [src/commands/upgrade/index.ts](src/commands/upgrade/index.ts)_
 
 # Installation
 
-There are 2 ways to get ahold of the CLI.
-
-## NPM
-
----
-
 **Prerequisites**
 * NodeJS >= 18
 * NPM
 * Linux environment (others may work, but are untested)
 
----
+## Obtaining prebuilt binaries
 
-**Steps**
-1. Clone this repo
-2. cd into the cloned repo
-3. Run the following command:
+You can obtain prebuilt binaries of the CLI which have no dependency to NodeJS. These can be found [here](https://github.com/eclipse-velocitas/cli/releases).
+Currently we are supporting only linux `arm64` and `x64` architecture.
+Velocitas CLI is already pre-intalled within our [devcontainer-base-image](https://github.com/eclipse-velocitas/devcontainer-base-images).
 
-```sh-session
-$ npm install -g velocitas-cli
+If you need to install it on custom setup, please use follow, where `<version_tag>` any released tag version, e.g. `v0.5.5`, and `<arch>` - architecture type, e.g. `arm64` or `x64`:
+```
+curl -L https://github.com/eclipse-velocitas/cli/releases/download/<version_tag>/velocitas-linux-<arch> -o /usr/bin/velocitas
+chmod -x /usr/bin/velocitas
 ```
-
-## Obtaining prebuilt binaries
-
-In case you do not want to install NodeJS on your system, you can obtain prebuilt binaries of the CLI which have no dependency to NodeJS. These can be found [here](https://github.com/eclipse-velocitas/cli/releases).
 
 # Configuration
 ## Changing default VELOCITAS_HOME directory