Add Template flag and "express and mongoDB" template

[Abhinav-ark]

Todo

• Add a command list to list all available options.
• Add a flag -t to the init command where the user can select from available templates which is listed by list
• For express and mongoDB create a template in the name express_mongo.
• When the user runs qse init -t express_mongo, an express and mongoDB template should be created.
• Bump version number once the PR is approved.

[Ashrockzzz2003]

• Add a Postgres template #10 fixes adding a template flag.
• Add express and mongoDB template.

[IAmRiteshKoushik]

Is this being worked upon already or can I take it up ?

[Ashrockzzz2003]

You're the first one here @IAmRiteshKoushik.
Do take it up! Assigned this to you.

[GMHarish285]

@Ashrockzzz2003
Is this issue open? If so, I would like to work on it.

[Ashrockzzz2003]

Assigned @GMHarish285.

[GMHarish285]

@Ashrockzzz2003
Created PR.