Update 03.scripts.md (#429)

Fix/improve a few links

content/docs/05.developer-guide/03.scripts.md

@@ -20,11 +20,11 @@ The following table gives an overview of all script tasks and their configuratio
 
 | Language   | Default `image`                                                              | `beforeCommands` example                 | `Script` example               | `Commands` example                   |
 | ---------- | -------------------------------------------------------------------------- | -------------------------------------- | ---------------------------- | ---------------------------------- |
-| Python     | python                                                                     | pip install requests kestra            | print("Hello World!")        | python [hello.py](http://hello.py) |
+| Python     | python                                                                     | pip install requests kestra            | print("Hello World!")        | python hello.py |
 | R          | r-base                                                                     | Rscript -e "install.packages('dplyr')" | print("Hello World!")        | Rscript hello.R                    |
 | Node.js    | node                                                                       | npm install json2csv                   | console.log('Hello World!'); | node hello.js                      |
 | Shell      | ubuntu                                                                     | apt-get install curl                   | echo "Hello World!"          | ./hello.bash                       |
-| Powershell | [powershell](http://mcr.microsoft.com/powershell) | Install-Module -Name ImportExcel       | Write-Output "Hello World!"  | .\hello.ps1                        |
+| Powershell | [powershell](https://mcr.microsoft.com/powershell) | Install-Module -Name ImportExcel       | Write-Output "Hello World!"  | .\hello.ps1                        |
 
 
 **Full class names:**
@@ -550,7 +550,7 @@ All tasks within the `WorkingDirectory` can use output artifacts from previous t
 
 ## Generating outputs from a script task using `{{outputDir}}`
 
-If you want to generate files in your script to make them available for download and use in downstream tasks, you can leverage the `outputDir` [variable](03.variables/). Files stored in that directory will be persisted in Kestra's internal storage. Here is an example: 
+If you want to generate files in your script to make them available for download and use in downstream tasks, you can leverage the `outputDir` [variable](03.variables/01.index.md). Files stored in that directory will be persisted in Kestra's internal storage. Here is an example:
 
 ```yaml
 id: outputTest