[Feature] Import Wizard for Installation Setup

[JinkunLiu]

Motivation

Enhance the quickstart experience. - Currently, there are too many manual steps, thus chances for users to make mistakes and run into problems.

Installation Flow

1) Ask user whether to install Flink

If user selects Yes:

• Download the Flink binary archive to a temporary directory.
• Extract Flink into the target installation directory and remove the downloaded archive.
• Set and export FLINK_HOME.

If user selects No:

• Validate that FLINK_HOME is already set and points to a valid Flink directory .

---

2) Ask user whether to enable PyFlink

If user selects Yes:

• Copy flink-python JAR from $FLINK_HOME/opt/ to $FLINK_HOME/lib/.
• Create and activate a Python virtual environment.
• Install flink-agents and pinned apache-flink via pip.
• Copy Flink Agents Java artifacts into $FLINK_HOME/lib/.

If user selects No:

• Skip all Python/PyFlink-related steps.

---

Are you willing to submit a PR?

• I'm willing to submit a PR!