Set news to first level header

NEWS.md

@@ -1,8 +1,4 @@
-# NEWS
-
-NEWS file for the Pedixplorer package
-
-## Changes in v1.1.5
+# Changes in v1.1.5
 
 - Change code of ped_to_legdf
 - When plotting with the main plot, the legend gets its own
@@ -13,7 +9,7 @@ the size and localisation of the legend.
 - Add example of interactivness in vignette
 - Fix plot area function and legend creation for better alignment
 
-## Changes in v1.1.4
+# Changes in v1.1.4
 
 - Update website and logo
 - Improve `ped_shiny()` esthetics
@@ -27,17 +23,17 @@ functions for users
 - Standardize the vignettes and add more documentation
 - Fix label adjusting position in plot functions
 
-## Changes in v1.1.3
+# Changes in v1.1.3
 
 - Fix github workflows
 - Disable `ped_shiny()` execution in markdown
 - Publish with `pkgdown`
 
-## Changes in v1.1.2
+# Changes in v1.1.2
 
 - Use R version 4.4 and update workflows
 
-## Changes in v1.1.1
+# Changes in v1.1.1
 
 - A [shiny application](https://shiny.posit.co/) is now available through
 the `ped_shiny()` function.
@@ -57,7 +53,7 @@ to reduce noise between platform.
 computed by `ped_to_plotdf()`.
 - `useful_inds()` function has been improved.
 
-## Changes in v0.99.0
+# Changes in v0.99.0
 
 - Kinship2 is renamed to Pedixplorer and hosted on Bioconductor.
 - Pedigree is now a S4 object, all functions are updated to work with