[WIP] [NEW] feat: Receive Shared Text and Files

[Shailesh351]

Closes #496

• [x] Receive shred text and other files
• [x] Title showing "Share with" and back arrow
• [x] Add Spanish Translations
• [ ] For some files there is some error like "malformed json" after uploading file.(Mostly server side issue)

[ear-dev]

@Shailesh351 My image file upload is failing with this error:

    java.lang.NullPointerException: Attempt to invoke virtual method 'byte[] java.lang.String.getBytes(java.nio.charset.Charset)' on a null object reference
        at okhttp3.RequestBody.create(RequestBody.java:56)
        at okhttp3.MultipartBody$Part.createFormData(MultipartBody.java:244)
        at okhttp3.MultipartBody$Builder.addFormDataPart(MultipartBody.java:319)
        at chat.rocket.core.internal.rest.MessageKt$uploadFile$4.invokeSuspend(Message.kt:283)
        at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
        at kotlinx.coroutines.DispatchedTask.run(Dispatched.kt:233)
        at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:594)
        at kotlinx.coroutines.scheduling.CoroutineScheduler.access$runSafely(CoroutineScheduler.kt:60)
        at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:742)

Any ideas? I'm trying to share an image from the download directory on the device (emulator)