docs: refresh docs

docs/pieces/apps/csv.mdx

@@ -1,5 +1,7 @@
 ---
-title: 'CSV'
+title: "CSV"
+description: "Convert from / to json"
+
 ---
 
 ## Triggers

docs/pieces/apps/trello.mdx

@@ -2,6 +2,66 @@
 title: 'Trello'
 ---
 
+---
+
+## Setting Trello Up: Obtain API Key & Token
+
+1. Go to https://trello.com/app-key
+2. Copy 'personal key' and enter it into the Trello API Key connection
+3. Click 'generate a token' in trello
+4. Copy the token and enter it into the Trello Token connection
+5. Your connection should now work!
+
+---
+
+---
+
+## Creating your first Trello card using Activepiece
+
+1. Create a new collection
+2. Select trigger as 'schedule' and we will use its default value of 5 minutes
+3. Click on + to add a new piece
+4. Select the 'Trello' piece
+5. Select the 'Create Card' Action on the right-hand sidebar
+6. Select your Trello API Key connection you created above
+7. Select your Trello Token Key connection above
+8. Head over to the Trello board you wish to create a new card in
+9. Create a new card, lets call it 'test'
+10. Click into that card
+11. In the URL, add '.json', this should return a wall of JSON text
+12. Look for a value called 'idList', it should look something like this: `"idList":"5aea17e911c71fee96375d94"`
+13. Copy the idList value, in our case `5aea17e911c71fee96375d94` and enter it into the idList field
+14. Set the card name you'd like to create
+15. Set a description to enter into the card (optional)
+16. Lastly, lets test our flow by clicking 'Test Flow'
+17. A new card should have been created in the selected list
+18. Now click publish, and thats it!
+
+---
+
+---
+
+## Fetching a card via Activepieces
+
+1. Create a new collection
+2. Select trigger as 'schedule' and we will use its default value of 5 minutes
+3. Click on + to add a new piece
+4. Select the 'Trello' piece
+5. Select the 'Get Card' Action on the right-hand sidebar
+6. Select your Trello API Key connection you created above
+7. Select your Trello Token Key connection above
+8. Head over to the Trello board you wish to create a new card in
+9. Create a new card, lets call it 'test'
+10. Click into that card
+11. In the URL, add '.json', this should return a wall of JSON text
+12. Look for a value called 'id', it should look something like this: `"id":"5aea17e911c71fee96375d94"`
+13. Copy the idList value, in our case `5aea17e911c71fee96375d94` and enter it into the idList field
+14. Lastly, lets test our flow by clicking 'Test Flow'
+15. A new card should have been created in the selected list
+16. Now click publish, and thats it!
+
+---
+
 ## Triggers
 
 *No supported triggers yet, please let us know if you need something on Discord so we can help out*