Vishnu Mohandas bf5e2004cf

Update email templates (#2823) ...

## Description

Updates all templates apart from the ones for family plans to use simple
HTML.

The OTT email is no longer marked as spam by Gmail.

## Tests
- [x] Responsive
- [x] Supports both light and dark themes

## Screenshots

<img width="600" alt="Screenshot 2024-08-22 at 6 16 38 PM"
src="https://github.com/user-attachments/assets/78465ffe-399d-430c-9025-d3c77ff72f67">

<img width="600" alt="Screenshot 2024-08-22 at 6 16 58 PM"
src="https://github.com/user-attachments/assets/1e497cd1-f04a-403a-b4c7-8581f5cfbb91">

<img width="300"
src="https://github.com/user-attachments/assets/ce422733-5a5c-4b30-a6f5-c5003b3da0ed"/>

<img width="300"
src="https://github.com/user-attachments/assets/4468e465-2700-4771-878b-32b19a901074"/>

2024-08-22 18:40:10 +05:30

..

admin.go

[server] Apply change limit only for user edit

2024-08-21 16:36:36 +05:30

authenticator.go

Import museum

2024-03-01 13:37:01 +05:30

billing.go

Import museum

2024-03-01 13:37:01 +05:30

cast.go

[server][cast] convert deviceCode input to upperCase

2024-05-03 12:31:26 +05:30

collection.go

[server] Change default link expiry to never

2024-08-03 16:37:00 +05:30

embedding.go

[server] Add API to return indexed files for given model

2024-07-22 16:15:25 +05:30

family.go

Import museum

2024-03-01 13:37:01 +05:30

file_data.go

rename

2024-08-12 13:21:11 +05:30

file.go

rename

2024-08-12 13:21:11 +05:30

healthcheck.go

Import museum

2024-03-01 13:37:01 +05:30

kex.go

Import museum

2024-03-01 13:37:01 +05:30

offer.go

Import museum

2024-03-01 13:37:01 +05:30

passkeys.go

Import museum

2024-03-01 13:37:01 +05:30

public_collection.go

[server] Ignore uploadUrl limit while copying files

2024-05-11 09:46:39 +05:30

push.go

Import museum

2024-03-01 13:37:01 +05:30

remotestore.go

[server] Add API to return feature flags value

2024-04-22 16:57:00 +05:30

storage_bonus.go

[server] Apply change limit only for user edit

2024-08-21 16:36:36 +05:30

trash.go

Import museum

2024-03-01 13:37:01 +05:30

user.go

Simply email verification template

2024-08-22 17:06:10 +05:30

userentity.go

Add entity type validation

2024-08-16 11:40:31 +05:30