update tsconfig to specifically target es5 or higher to avoid Typescript issue: TS1056: Accessors are only available when targeting ECMAScript 5 and higher
update tsconfig to specifically target es5 or higher to avoid Typescript issue: TS1056: Accessors are only available when targeting ECMAScript 5 and higher

amitmahida92/ng4-loading-spinner,amitmahida92/ng4-loading-spinner,amitmahida92/ng4-loading-spinner