Bl 904 bd migrate and seed newsfeed table

[razborovdb]

Description

1. Added to schema.sql SQL queries to migrate tables: newsfeed
2. Added to data.sql SQL queries to seed tables: newsfeed
3. Created class Newsfeed for table newsfeed
4. Created interface NewsfeedRepository to access data in table newsfeed
5. Created test classes MigrationSeedNewsfeedTest for test migration and seed
   for the table newsfeed.

Loom Video

https://www.loom.com/share/1d6dca9cc382465db29b0655e0a9257a

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have removed unnecessary comments/console logs from my code
• I have made corresponding changes to the documentation if necessary (optional)
• My changes generate no new warnings
• I have checked my code and corrected any misspellings
• No duplicate code left within changed files
• Size of pull request kept to a minimum
• Pull request description clearly describes changes made & motivations for said changes

[decagondev]

Here is another example of clean and clear code that is almost self documenting. along with a good test set and clear schema.