add android calender

app/src/main/assets/canada.ics

app/src/main/assets/china.ics

app/src/main/assets/colombia.ics

app/src/main/assets/croatia.ics

app/src/main/assets/czech.ics

app/src/main/assets/denmark.ics

app/src/main/assets/estonia.ics

app/src/main/assets/finland.ics

app/src/main/assets/france.ics

app/src/main/assets/germany.ics

app/src/main/assets/greece.ics

app/src/main/assets/hungary.ics

app/src/main/assets/iceland.ics

app/src/main/assets/india.ics

app/src/main/assets/indonesia.ics

app/src/main/assets/ireland.ics

app/src/main/assets/italy.ics

app/src/main/assets/japan.ics

app/src/main/assets/latvia.ics

app/src/main/assets/lithuania.ics