Tempus 965-Template registry

[Shobhit2884]

This PR contains the functionality for Template registry including the ADD/EDIT/DELETE/COPY functionality with grid and tabular view.

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[CLAassistant]

All committers have signed the CLA.

[NandiniMGawade]

Remove lazy-load-data.directive.js

[NandiniMGawade]

LGTM

[akshaymhetre]

Please add 'templates' table in drop-tables file