add paper badge

Author: Naeemkh

.Rbuildignore

@@ -23,3 +23,4 @@ index.md
 ^CODE_OF_CONDUCT\.md$
 ^paper/*$
 ^CONTRIBUTING\.md$
+^CITATION\.cff$

CITATION.cff

@@ -0,0 +1,44 @@
+cff-version: "1.2.0"
+authors:
+- family-names: Khoshnevis
+  given-names: Naeem
+  orcid: "https://orcid.org/0000-0003-4315-1426"
+- family-names: Ren
+  given-names: Boyu
+  orcid: "https://orcid.org/0000-0002-5300-1184"
+- family-names: Braun
+  given-names: Danielle
+  orcid: "https://orcid.org/0000-0002-5177-8598"
+contact:
+- family-names: Khoshnevis
+  given-names: Naeem
+  orcid: "https://orcid.org/0000-0003-4315-1426"
+doi: 10.5281/zenodo.10757333
+message: If you use this software, please cite our article in the
+  Journal of Open Source Software.
+preferred-citation:
+  authors:
+  - family-names: Khoshnevis
+    given-names: Naeem
+    orcid: "https://orcid.org/0000-0003-4315-1426"
+  - family-names: Ren
+    given-names: Boyu
+    orcid: "https://orcid.org/0000-0002-5300-1184"
+  - family-names: Braun
+    given-names: Danielle
+    orcid: "https://orcid.org/0000-0002-5177-8598"
+  date-published: 2024-03-13
+  doi: 10.21105/joss.05465
+  issn: 2475-9066
+  issue: 95
+  journal: Journal of Open Source Software
+  publisher:
+    name: Open Journals
+  start: 5465
+  title: GPCERF - An R package for implementing Gaussian processes for
+    estimating causal exposure response curves
+  type: article
+  url: "https://joss.theoj.org/papers/10.21105/joss.05465"
+  volume: 9
+title: GPCERF - An R package for implementing Gaussian processes for
+  estimating causal exposure response curves

README.md

@@ -3,6 +3,30 @@
 | Platforms   | Windows, macOS, Linux|    codecov      |
 | R CMD check | [![R build status](https://github.com/NSAPH-Software/GPCERF/workflows/R-CMD-check/badge.svg)](https://github.com/NSAPH-Software/GPCERF/actions) | [![codecov](https://codecov.io/gh/NSAPH-Software/GPCERF/branch/develop/graph/badge.svg?token=066ISL822N)](https://app.codecov.io/gh/NSAPH-Software/GPCERF) |
 
+<p align="center">
+  <img src="man/figures/png/gpcerf_logo.png" height="100" alt="Cover Image"/>
+</p>
+
+<div align="center">
+    <a href="https://CRAN.R-project.org/package=gpcerf">
+        <img src="http://www.r-pkg.org/badges/version-last-release/gpcerf" alt="CRAN Package Version">
+    </a>
+    <a href="https://joss.theoj.org/papers/10.21105/joss.05465">
+        <img src="https://joss.theoj.org/papers/10.21105/joss.05465/status.svg" alt="JOSS Status">
+    </a>
+    <a href="https://github.com/NSAPH-Software/GPCERF/actions">
+        <img src="https://github.com/NSAPH-Software/GPCERF/workflows/R-CMD-check/badge.svg", alt="R-CMD-check status">
+    </a>
+    <a href="https://app.codecov.io/gh/NSAPH-Software/GPCERF">
+        <img src="https://codecov.io/gh/NSAPH-Software/GPCERF/branch/develop/graph/badge.svg?token=066ISL822N", alt="Codecov">
+    </a>
+    <a href="http://www.r-pkg.org/pkg/gpcerf">
+        <img src="https://cranlogs.r-pkg.org/badges/grand-total/gpcerf" alt="CRAN RStudio Mirror Downloads">
+    </a>
+</div>
+
+
+
 
 # Gaussian processes for the estimation of causal exposure-response curves (GP-CERF)