docs: Update README and CITATION.cff, add issue templates

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,15 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Questions & support
+    url: https://github.com/MFlowCode/MFC/discussions
+    about: Get help, show results, and discuss ideas
+  - name: Slack community
+    url: https://join.slack.com/t/mflowcode/shared_invite/zt-y75wibvk-g~zztjknjYkK1hFgCuJxVw
+    about: Join our Slack workspace for real-time discussion
+
+
+
+
+
+
+

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,26 @@
+---
+name: Feature request
+about: Propose an enhancement to MFC
+title: ''
+labels: enhancement
+assignees: ''
+---
+
+### Problem it solves
+<!-- What limitation or use case does this address? -->
+
+### Proposed solution
+<!-- Describe the change and where it integrates (modules, scripts, docs). -->
+
+### Alternatives
+<!-- Any other approaches considered -->
+
+### Additional context
+<!-- Links, references, mockups, examples -->
+
+
+
+
+
+
+

CITATION.cff

@@ -4,27 +4,91 @@
 
 cff-version: 1.2.0
 message: "If you use this software, please cite it as below."
-title: "Multicomponent Flow Code"
+title: "Multicomponent Flow Code (MFC)"
 url: "https://github.com/MFlowCode/MFC"
 preferred-citation:
   type: article
-  title: "MFC: An open-source high-order multi-component, multi-phase, and multi-scale compressible flow solver"
-  journal: "Computer Physics Communications"
-  doi: "10.1016/j.cpc.2020.107396"
-  volume: 266
-  start: 107396
-  month: 5
-  year: 2021
+  title: "MFC 5.0: An exascale many-physics flow solver"
+  doi: "10.48550/arXiv.2503.07953"
+  year: 2025
   authors:
-  - given-names:  Spencer H.
-    family-names: Bryngelson
-  - given-names:  Kevin
-    family-names: Schmidmayer
-  - given-names:  Vedran
-    family-names: Coralic
-  - given-names:  Jomela C.
-    family-names: Meng
-  - given-names:  Kazuki
-    family-names: Maeda
-  - given-names:  Tim
-    family-names: Colonius
+    - given-names: Benjamin
+      family-names: Wilfong
+    - given-names: Henry
+      family-names: Le Berre
+    - given-names: Anand
+      family-names: Radhakrishnan
+    - given-names: Ansh
+      family-names: Gupta
+    - given-names: Diego
+      family-names: Vaca-Revelo
+    - given-names: Dimitrios
+      family-names: Adam
+    - given-names: Haocheng
+      family-names: Yu
+    - given-names: Hyeoksu
+      family-names: Lee
+    - given-names: Jose Rodolfo
+      family-names: Chreim
+    - given-names: Mirelys
+      family-names: Carcana Barbosa
+    - given-names: Yanjun
+      family-names: Zhang
+    - given-names: Esteban
+      family-names: Cisneros-Garibay
+    - given-names: Aswin
+      family-names: Gnanaskandan
+    - given-names: Mauro
+      family-names: Rodriguez Jr.
+    - given-names: Reuben D.
+      family-names: Budiardja
+    - given-names: Stephen
+      family-names: Abbott
+    - given-names: Tim
+      family-names: Colonius
+    - given-names: Spencer H.
+      family-names: Bryngelson
+references:
+  - type: article
+    title: "Method for portable, scalable, and performant GPU-accelerated simulation of multiphase compressible flow"
+    doi: "10.1016/j.cpc.2024.109238"
+    journal: "Computer Physics Communications"
+    volume: 302
+    start: 109238
+    year: 2024
+    authors:
+      - given-names: A.
+        family-names: Radhakrishnan
+      - given-names: H.
+        family-names: Le Berre
+      - given-names: B.
+        family-names: Wilfong
+      - given-names: J.-S.
+        family-names: Spratt
+      - given-names: M.
+        family-names: Rodriguez Jr.
+      - given-names: T.
+        family-names: Colonius
+      - given-names: S. H.
+        family-names: Bryngelson
+  - type: article
+    title: "MFC: An open-source high-order multi-component, multi-phase, and multi-scale compressible flow solver"
+    doi: "10.1016/j.cpc.2020.107396"
+    journal: "Computer Physics Communications"
+    volume: 266
+    start: 107396
+    month: 5
+    year: 2021
+    authors:
+      - given-names: Spencer H.
+        family-names: Bryngelson
+      - given-names: Kevin
+        family-names: Schmidmayer
+      - given-names: Vedran
+        family-names: Coralic
+      - given-names: Jomela C.
+        family-names: Meng
+      - given-names: Kazuki
+        family-names: Maeda
+      - given-names: Tim
+        family-names: Colonius

README.md

@@ -25,6 +25,43 @@
   </a>
 </p>
 
+<p align="center">
+  <a href="https://mflowcode.github.io/">
+    <img src="https://img.shields.io/badge/docs-mflowcode.github.io-blue" />
+  </a>
+  <a href="https://github.com/MFlowCode/MFC/discussions">
+    <img src="https://img.shields.io/badge/discussions-join-brightgreen" />
+  </a>
+  <a href="https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=MFlowCode%2FMFC">
+    <img src="https://img.shields.io/badge/Codespaces-Open%20in%201%20click-2ea44f?logo=github" />
+  </a>
+  <a href="https://github.com/MFlowCode/MFC/releases">
+    <img src="https://img.shields.io/github/v/release/MFlowCode/MFC?display_name=release&sort=semver" />
+  </a>
+</p>
+
+<p align="center">
+  <a href="https://star-history.com/#MFlowCode/MFC&Date">
+    <img src="https://api.star-history.com/svg?repos=MFlowCode/MFC&type=Date" alt="Star History Chart" width="600"/>
+  </a>
+</p>
+
+> **If MFC helps your work, please ⭐ the repo and cite it!**
+
+### Who uses MFC
+
+MFC runs at exascale on the world's fastest supercomputers:
+- **OLCF Frontier** (>33K AMD MI250X GPUs)
+- **LLNL El Capitan** (>43K AMD MI300A APUs)
+- **LLNL Tuolumne**, **CSCS Alps**, and many others
+
+### Try MFC
+
+| Path | Command |
+| --- | --- |
+| **Codespaces** (fastest) | Click the "Codespaces" badge above to launch in 1 click |
+| **Local build** | `./mfc.sh build -j $(nproc) && ./mfc.sh test -j $(nproc)` |
+
 **Welcome!**
 MFC simulates compressible multi-phase flows, [among other things](#what-else-can-this-thing-do). 
 It uses metaprogramming and is short (20K lines) and portable.
@@ -35,6 +72,9 @@ MFC is a 2025 Gordon Bell Prize Finalist.
 <a href="https://doi.org/10.48550/arXiv.2503.07953" target="_blank">
     <img src="https://img.shields.io/badge/DOI-10.48550/arXiv.2503.07953-thistle.svg"/>
 </a>
+<a href="https://doi.org/10.5281/zenodo.17049757" target="_blank">
+    <img src="https://zenodo.org/badge/DOI/10.5281/zenodo.17049757.svg"/>
+</a>
 <a href="https://github.com/MFlowCode/MFC/stargazers" target="_blank">
     <img src="https://img.shields.io/github/stars/MFlowCode/MFC?style=flat&color=maroon"/>
 </a>