Add commands for common links

[namanyt]

this is base on issue #14

[namanyt]

Should implement commands for all links as mentioned by @IkBenOlie5:

• [x] docs
• [x] donate
• [x] facebook
• [x] github
• [x] odysee (formerly lbry)
• [x] patreon
• [x] plans
• [x] twitch
• [x] twitter
• [x] youtube