[Enhancement] - Individual sample app README format

[hemchander23]

Description of the enhancement: The idea is to have a consistent README for developers who land on sample apps repo. Would require suggestions from all. I have added the format in the issue below

For which Freshworks product?

• [x] Freshdesk
• [x] Freshchat
• [x] Freshsales
• [x] Freshservice
• [x] Freshcaller

[hemchander23]

[Sample App Title]

Description:

[Description of the sample app]

Features used:

• Data Storage
• Request
• OAuth
• Scheduled Events .. etc.

Prerequisites:

1. Make sure you have a trial [FreshworksProduct] account created
2. Ensure that you have the Freshworks Developer Kit (FDK) installed properly.

[From point 3, add some of the important prerequisites which are specific to this app]

Procedure to run the app:

1. Fill the iparam_test_data.json before running the app locally.
2. Run the app locally using the fdk run command
3. Append ?dev=true to the Freshworks product URL to see the changes

[ Special instructions for realizing the value out of this app]

Screenshots:

[Screenshots that are not too big/small. Gifs are best. Let's just stick to 3 screenshots at the max]

Feel free to contribute / raise issues

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[velmurugan-balasubramanian]

will this order make sense ?

1. Description
2. Prerequisites
3. Procedure to run the app with step by step screenshots/GIFS instead of having it in the beginning
4. GIF of working version of the app.

[hemchander23]

Would go with this order as well. Will also add features used in the app (data storage/ request / ..)

[Saif-Shines]

@hemchander23 Can we add this template to Contribuiting guidelines as well ?

[hemchander23]

Yes Saif

[Saif-Shines]

Closing this issue as PR Issue template is created inspired by this work.