add news for v0.1.1

Author: Carol-seven

NEWS.md

@@ -1,3 +1,11 @@
+# grasps 0.1.1
+
++ Added function `plot.adjmat()`.
++ Added function `prec_to_adj()`.
++ Use `d` instead of `p` to denote the dimension.
++ Revised the estimator expression in the vignette.
++ Added NEWS file to record the changelog.
+
 # grasps 0.1.0
 
 + Initial release of the grasps package.
@@ -7,4 +15,5 @@
   - Supports element-wise sparsity and group-wise shrinkage.
   - Includes both convex and non-convex penalties (e.g., adaptive lasso, SCAD, MCP).
   - Provides model selection tools (e.g., CV, EBIC, HBIC).
-+ Designed for applications where variables exhibit grouped or modular relationships (e.g., brain networks, biological pathways).
++ Designed for applications where variables exhibit grouped or modular
+  relationships (e.g., brain networks, biological pathways).