fix(add): add twitter guide (#17)

* add instructions for discord

* fix number order

* Update meta.js

* add twitter guide

* add Twitter guide

* Update meta.js

* Update meta.js

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Co-authored-by: odeta939 <odeta.penikaite@noaignit.com>
Co-authored-by: Balázs Orbán <info@balazsorban.com>

Author: 3 people

lib/meta.js

@@ -158,7 +158,25 @@ export const providers = {
   todoist: { name: "Todoist", setupUrl: undefined },
   trakt: { name: "Trakt", setupUrl: undefined },
   twitch: { name: "Twitch", setupUrl: undefined },
-  twitter: { name: "Twitter", setupUrl: undefined },
+  twitter: {
+    name: "Twitter",
+    setupUrl: "https://developer.x.com/en/portal/dashboard",
+    instructions: `\
+1. Create a project
+2. Set the *Project name* (can be anything)
+3. Choose a use case, then click Next
+4. Give it a description, then click Next
+5. An app will be created for you
+6. Set the app name
+7. Click on *App Settings*
+8. Click *Set up* under *User authentication settings*
+9. Select *Web App, Automated App or Bot* at "Type of app" 
+10. Add the callback URI (on your clipboard) to *Callback URLs* 
+11. Fill out the other required fields (your website)
+12. Copy and paste the *Client ID*
+13. Copy and paste the *Client Secret*
+14. Click *Done*`,
+  },
   "united-effects": { name: "United Effects", setupUrl: undefined },
   vk: { name: "Vk", setupUrl: undefined },
   webex: { name: "Webex", setupUrl: undefined },