Rename to spring-functions-catalog-bom

The `spring-function-dependencies` is confusing, especially when it is used
alongside with the `spring-cloud-function-dependencies`

* Add `spring-functions-catalog-bom` Maven config into README

README.adoc

@@ -1,6 +1,5 @@
 = Spring Functions Catalog
 
-
 In this repository, you will find a collection of components that can meet various data integration use cases and requirements.
 
 The repository's primary focus is to provide a set of standalone Java functions that can be useful in the end-user applications as-is.
@@ -10,6 +9,19 @@ These functions can be consumed in the target project any possible way, for exam
 
 This functions catalog is also a foundation for https://spring.io/projects/spring-cloud-stream-applications[Spring Cloud Stream Applications] project.
 
+This BOM is needed to be included into dependency management:
+
+[source,xml]
+----
+<dependency>
+    <groupId>org.springframework.cloud.fn</groupId>
+    <artifactId>spring-functions-catalog-bom</artifactId>
+    <version>5.0.0-SNAPSHOT</version>
+    <type>pom</type>
+    <scope>import</scope>
+</dependency>
+----
+
 == Reusable Functions
 
 |===

build.gradle

@@ -14,7 +14,7 @@ plugins {
 description = 'Spring Functions Catlog'
 
 ext {
-	javaProjects = subprojects - project(':spring-function-dependencies')
+	javaProjects = subprojects - project(':spring-functions-catalog-bom')
 }
 
 apply from: 'dependencies.gradle'

settings.gradle

@@ -5,7 +5,7 @@ plugins {
 
 rootProject.name = 'spring-functions-catalog'
 
-include 'spring-function-dependencies'
+include 'spring-functions-catalog-bom'
 
 ['common', 'consumer', 'function', 'supplier'].each { group ->
     def groupDir = file(group)