Reimplemented tnotes

Added

• Added verbose e new arguments;
• Added functions to parse arguments;
• Added rm and mv function;
• Added dmenu_tnotes section to readme;

Fixed

• Fixed note with no title;
• Fixed dmenu script to work with new tnotes;
• Fixed bug where can't create notes with white spaces;
• Fixed wrong function name;

Changed

• Reimplemented tnotes with shell script;
• Updated readme with new implementation info;
• Changed cli arguments;
• Updated readme and usage function;
• Changed scripts to be posix compliant;

Removed

• Removed some redundances and verbose mode;