Correct file permissions for ssh keys and config.

generate-ssh-key.sh

cd
cd~
cd .ssh

ssh-keygen -t rsa -b 4096 -N '' -C "pl0xy@users.noreply.github.com" -f ./id_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "pl0xy@users.noreply.github.com" -f ./github_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "pl0xy@users.noreply.github.com" -f ./mozilla_rsa

ssh-key-add.sh

eval "$(ssh-agent -s)"

cd
cd~
cd .ssh

ssh-add ./id_rsa
ssh-add ./github_rsa
ssh-add ./mozilla_rsa

ssh-key-permissions.sh

cd
cd~

# Create directories and touch files in case they are not there already
mkdir -p .ssh/authorized_keys
mkdir -p .ssh/known_hosts
touch .ssh/config

# Directories
chmod 700 .ssh
chmod 644 .ssh/authorized_keys
chmod 644 .ssh/known_hosts

# Files
chmod 644 .ssh/config
chmod 600 .ssh/id_rsa
chmod 644 .ssh/id_rsa.pub
chmod 600 .ssh/github_rsa
chmod 644 .ssh/github_rsa.pub
chmod 600 .ssh/mozilla_rsa
chmod 644 .ssh/mozilla_rsa.pub