fix: declared types in models repository - I153

[apoorvsxna]

Closes #153

Fixed incorrectly generated import prefix on the models website.

Changes

• Added statement to declare the SERVER_ROOT environment variable.
• Corrected syntax of generated import statement.

Screenshots or Video

• Current state-

• After fix-

Author Checklist

• [x] Ensure you provide a DCO sign-off for your commits using the --signoff option of git commit.
• [x] Commits messages follow AP format
• [x] Merging to main from fork:branchname

[apoorvsxna]

@dselman. Could you please see if any changes are required?