Text: good afternoon, i want to welcome you to my new web project:

Correct capitalization: Good afternoon, I want to welcome you to my new web project:

Text: concrete foundations, several meters thick, had to be removed and therefore, possibly with a view to saving money, the ministry of defence left the door slightly ajar for a partial conservation of the installation.

Correct capitalization: Concrete foundations, several meters thick, had to be removed and therefore, possibly with a view to saving money, the Ministry of Defence left the door slightly ajar for a partial conservation of the installation.

Text: people will build and plant, eat and drink, marry and give in marriage until the very day when jesus returns. the love of money blinds people to the true and eternal treasures.

Correct capitalization: People will build and plant, eat and drink, marry and give in marriage until the very day when Jesus returns. The love of money blinds people to the true and eternal treasures.

Text: and to the fans, please promise me too

Correct capitalization:
And to the fans, please promise me too