Implemented play music feature

Implemented play music feature

Implemented remember tasks feature

Implemented remember tasks feature

Minor fix to the search query feature

Implemented Google and YouTube navigation and Google search query feature

Changed to multi-line comments to comment the conditional statements

Changed to Javadoc comments to comment the methods

Implemented greeting feature

Implemented date and time feature

Implemented text to speech initialisation feature

Modified a comment

Merge remote-tracking branch 'origin/master'

Optimised the code to maintain code quality

Organised the implementation dependencies