Add release notes for Cobrix 2.7.0

Author: yruslan

README.md

@@ -1751,6 +1751,33 @@ at org.apache.hadoop.io.nativeio.NativeIO$POSIX.getStat(NativeIO.java:608)
 A: Update hadoop dll to version 3.2.2 or newer.
 
 ## Changelog
+- #### 2.7.0 released 8 April 2024.
+   - [#666](https://github.com/AbsaOSS/cobrix/issues/666) Added support for record length value mapping.
+     ```scala
+     .option("record_format", "F")
+     .option("record_length_field", "FIELD_STR")
+     .option("record_length_map", """{"SEG1":100,"SEG2":200}""")
+     ```
+   - [#669](https://github.com/AbsaOSS/cobrix/issues/669) Allow 'V' to be at the end of scaled PICs.
+     ```cobol
+          10  SCALED-DECIMAL-FIELD    PIC S9PPPV      DISPLAY.
+     ```
+   - [#672](https://github.com/AbsaOSS/cobrix/issues/672) Add the ability to parse copybooks with options normally passed to the `spark-cobol` Spark data source.
+     ```scala
+     // Same options that you use for spark.read.format("cobol").option()
+     val options = Map("schema_retention_policy" -> "keep_original")
+     
+     val cobolSchema = CobolSchema.fromSparkOptions(Seq(copybook), options)
+     val sparkSchema = cobolSchema.getSparkSchema.toString()
+     
+     println(sparkSchema)
+     ```
+   - [#674](https://github.com/AbsaOSS/cobrix/issues/674) Extended the usage of indexes for variable record length files with a record length field.
+     ```scala
+     .option("record_length_field", "RECORD-LENGTH")
+     .option("enable_indexes", "true") // true by default so can me omitted
+     ```
+
 - #### 2.6.11 released 8 April 2024.
    - [#659](https://github.com/AbsaOSS/cobrix/issues/659) Fixed record length option when record id generation is turned on.
 
@@ -1810,6 +1837,9 @@ A: Update hadoop dll to version 3.2.2 or newer.
    - [#521](https://github.com/AbsaOSS/cobrix/issues/521) Fixed index generation and improved performance of variable
      block length files processing (record_format='VB').
 
+<details><summary>Older versions</summary>
+<p>
+
 - #### 2.5.1 released 24 August 2022.
    - [#510](https://github.com/AbsaOSS/cobrix/issues/510) Fixed dropping of FILLER fields in Spack Schema if the FILLER has OCCURS of GROUPS.
 
@@ -1823,9 +1853,6 @@ A: Update hadoop dll to version 3.2.2 or newer.
    - [#501](https://github.com/AbsaOSS/cobrix/issues/501) Fixed decimal field null detection when 'improved_null_detection' is turned on.
    - [#502](https://github.com/AbsaOSS/cobrix/issues/502) Fixed parsing of scaled decimals that have a pattern similar to `SVP9(5)`.
 
-<details><summary>Older versions</summary>
-<p>
-
 - #### 2.4.10 released 8 April 2022.
    - [#481](https://github.com/AbsaOSS/cobrix/issues/481) ASCII control characters are now ignored instead of being replaced with spaces.
      A new string trimming policy (`keep_all`) allows keeping all control characters in strings (including `0x00`).