Hi Camille.  This is pretty good and clearly understandable, but there are lots of mistakes too. Capital letters to start sentences, for proper names and for I [as below].

First notebook entry: Introducing myself

Hello! mMy name is cCamille, iI'm from cChile,. iI have great expectativestions about eEnglish lenguage,. iI'm kind of reserved; in my free time iI see watch videos, movies, listen to music, paint sometimes and go outside...
wWell now iI have a lot of free time cuz[!!] imI'm in on vacation, so im I'm very happy. nNext year iI will be studing in the univerity or maybe working, it all depends my test results...
aAbout my interest -- I i spend a lot of time in on youtube so if you noticed funny videos or good music share it ! ;)

First notebook entry: Introducing myself

Hello! my name is camille and im from chile, i have great expectatives expectations about english lenguagelanguage , im kind of reserved. In my free time i seewatch videos, movies, listen to music,sometimes i paint sometimes and go outside  too...
well, now i have a lot of free time cuz im in on a vacation so im very happy. Next year, i will  may be studing studying in the  a univerity university or maybe working ,it all depends on my test results...
about my interest, i spend a lot of time in youtube, so if you noticed any funny videos or good music share it ! ;)

Hello! Nice to meet you ( > w < )/