Typos discovered by codespell

[cclauss]

% codespell --quiet-level=2 || true

./README.md:9: responsability ==> responsibility
./README.md:17: followings ==> following
./main.py:12: followings ==> following
./main.py:27: deafult ==> default
./main.py:29: deafult ==> default
./main.py:47: followings ==> following
./main.py:125: followings ==> following
./src/Osintgram.py:331: followings ==> following
./src/Osintgram.py:333: followings ==> following
./src/Osintgram.py:344: followings ==> following
./src/Osintgram.py:354: followings ==> following
./src/Osintgram.py:789: avaible ==> available
./src/Osintgram.py:871: occured ==> occurred
./src/Osintgram.py:1160: followings ==> following
./src/Osintgram.py:1171: followings ==> following
./src/Osintgram.py:1175: followings ==> following
./doc/COMMANDS.md:7: followings ==> following
./doc/COMMANDS.md:46: followings ==> following
./doc/COMMANDS.md:66: catagory ==> category
./doc/COMMANDS.md:71: avaible ==> available
./doc/COMMANDS.md:72: avaible ==> available
./doc/COMMANDS.md:73: avaible ==> available
./doc/COMMANDS.md:74: avaible ==> available
./doc/COMMANDS.md:87: avaible ==> available
./doc/COMMANDS.md:98: avaible ==> available
./doc/CHANGELOG.md:11: avaible ==> available
./doc/CHANGELOG.md:12: avaible ==> available
./doc/CHANGELOG.md:13: avaible ==> available
./doc/CHANGELOG.md:14: avaible ==> available