Addreses another docs build error

[supertopher]

What

git config cannot be read as ~/.gitconfig doesn't exist

How

touch the gitconfig and add some comments

[supertopher]

for future @supertopher

./tools/bin/deploy_docusaurus:22: set +o xtrace
[24](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:24)
This script pushes changes (somewhat pointlessly) to 
[25](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:25)
airbyte's gh_pages branch
[26](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:26)

[27](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:27)
It also actually deploys by copying those assets to
[28](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:28)
the repo airbytehq/airbytehq.github.io
[29](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:29)

[30](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:30)

[31](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:31)
Current path:
[32](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:32)
/home/runner/work/airbyte/airbyte
[33](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:33)
./tools/bin/deploy_docusaurus:41: git config --list --global
[34](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:34)
./tools/bin/deploy_docusaurus:41: grep --silent user.email
[35](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:35)
fatal: unable to read config file '/home/runner/.gitconfig': No such file or directory
[36](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:36)
./tools/bin/deploy_docusaurus:42: echo -e '\033[94mgithub email not found adding Octavia'\''s\033[39m'
[37](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:37)
./tools/bin/deploy_docusaurus:43: git config --global user.email=davin@airbyte.io
[38](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:38)
github email not found adding Octavia's
[39](https://github.com/airbytehq/airbyte/runs/6042204787?check_suite_focus=true#step:5:39)
Error: Process completed with exit code 1.