Migrated to bootstrap 4.3.1 & Added support for jinja-html

Migrated to bootstrap 4.3.1

Added support for Nunjucks

Properly closed h5 brace of modal snippets

Properly closed h5 brace of modal snippets

Fixed a minor documentation issue

Major refactoring to unify the codebases of IntelliJ & Vscode plugins

Fixed a minor documentation issue

Fixed a minor issue w.r.t help gif

Major refactoring to unify the codebases of IntelliJ & Vscode plugins