Completion of Bengali translation

[MoshiulRabbi]

Update bn.toml

[deining]

Thanks for your contribution! I realized that bn.toml is not in sync with latest en.toml. I just added two recently added strings, can you please translate these strings, too? Thanks.
Also, these lines are not translated yet:

docsy/i18n/bn.toml

Lines 59 to 75 in 3641b24

	# Community
	[community_join]
	other = "Join the {{ .Site.Title }} community"
	[community_introduce]
	other = "{{ .Site.Title }} is an open source project that anyone in the community can use, improve, and enjoy. We'd love you to join us! Here's a few ways to find out what's happening and get involved."
	[community_learn]
	other = "Learn and Connect"
	[community_using]
	other = "Using or want to use {{ .Site.Title }}? Find out more here:"
	[community_develop]
	other = "Develop and Contribute"
	[community_contribute]
	other = "If you want to get more involved by contributing to {{ .Site.Title }}, join us here:"
	[community_how_to]
	other = "You can find out how to contribute to these docs in our"
	[community_guideline]
	other = "Contribution Guidelines"

Can you please translate these lines as well? Thanks!

[deining]

LGTM

[deining]

Thanks for your contribution!