PRD-000 Fix/Version array lookup bug (#6)

* Fix user-agent header in API client

* Bump up version number to 0.1.3

* Bump to v0.1.4, fix array lookup bug

README.md

@@ -52,14 +52,14 @@ $ cmdk version
 
 ```shell
 # For Linux
-curl -L https://github.com/commandk-dev/cli/releases/download/v0.1.3/cmdk-cli-client-0.1.3-linux-x86_64.zip \
-    --output cmdk-cli-client-0.1.3-linux-x86_64.zip
+curl -L https://github.com/commandk-dev/cli/releases/download/v0.1.4/cmdk-cli-client-0.1.4-linux-x86_64.zip \
+    --output cmdk-cli-client-0.1.4-linux-x86_64.zip
 ```
 
 ```shell
 # For MacOS
-curl -L https://github.com/commandk-dev/cli/releases/download/v0.1.3/cmdk-cli-client-0.1.3-osx-x86_64.zip \
-    --output cmdk-cli-client-0.1.3-osx-x86_64.zip
+curl -L https://github.com/commandk-dev/cli/releases/download/v0.1.4/cmdk-cli-client-0.1.4-osx-x86_64.zip \
+    --output cmdk-cli-client-0.1.4-osx-x86_64.zip
 ```
 
 2. After downloading the ZIP file, extract its contents using the following command (replace <file> with the actual downloaded file name), and install the binary:

src/nativeMain/kotlin/dev/commandk/cli/commandk-cli.kt

@@ -88,7 +88,7 @@ val subcommands = emptyList<CliktCommand>() +
 
 @OptIn(ExperimentalForeignApi::class)
 fun main(args: Array<String>) {
-    if (args[0] == "version") {
+    if (args.size > 1 && args[0] == "version") {
         VersionCommand(Terminal())
             .run()
     } else {