New Source: Baeldung

[ashutoshkrris]

I want to add new source:

{
  "name": "Baeldung",
  "type": "Publication",
  "link": "https://www.baeldung.com/contribution-guidelines",
  "contact": "hiring@baeldung.com",
  "categories": [
    "Java",
    "Linux",
    "CS",
    "Kotlin",
    "Scala"
  ],
  "description": "Baeldung is a technical site focused mainly on the Java ecosystem, but also Kotlin, Scala, Linux, and general Computer Science \u2013 with a reach of about 10M page views per month.",
  "minRate": "40",
  "maxRate": "150"
}