Add citation just like ClickHouse, as chDB is mentioned in ClickHouse Paper

CITATION.cff

@@ -0,0 +1,31 @@
+# This CITATION.cff file was generated with cffinit.
+
+cff-version: 1.2.0
+title: "ClickHouse"
+message: "If you use this software, please cite it as below."
+type: software
+authors:
+  - family-names: "Milovidov"
+    given-names: "Alexey"
+repository-code: 'https://github.com/ClickHouse/ClickHouse'
+url: 'https://clickhouse.com'
+license: Apache-2.0
+preferred-citation:
+  type: article
+  authors:
+  - family-names: "Schulze"
+    given-names: "Robert"
+  - family-names: "Schreiber"
+    given-names: "Tom"
+  - family-names: "Yatsishin"
+    given-names: "Ilya"
+  - family-names: "Dahimene"
+    given-names: "Ryadh"
+  - family-names: "Milovidov"
+    given-names: "Alexey"
+  journal: "Proceedings of the VLDB Endowment"
+  title: "ClickHouse - Lightning Fast Analytics for Everyone"
+  year: 2024
+  volume: 17
+  issue: 12
+  doi: 10.14778/3685800.3685802

README-zh.md

@@ -182,6 +182,10 @@ print(query("select sum_udf(12,22)"))
 
 - Demo chDB at [ClickHouse v23.7 livehouse!](https://t.co/todc13Kn19) and [Slides](https://docs.google.com/presentation/d/1ikqjOlimRa7QAg588TAB_Fna-Tad2WMg7_4AgnbQbFA/edit?usp=sharing)
 
+## 相关论文
+
+- [ClickHouse - Lightning Fast Analytics for Everyone](https://www.vldb.org/pvldb/vol17/p3731-schulze.pdf)
+
 ## 版权信息
 Apache 2.0，请查看 [LICENSE](LICENSE.txt) 获取更多信息。
 

README.md

@@ -313,6 +313,10 @@ There are something you can help:
 
 We welcome bindings for other languages, please refer to [bindings](bindings.md) for more details.
 
+## Paper
+
+- [ClickHouse - Lightning Fast Analytics for Everyone](https://www.vldb.org/pvldb/vol17/p3731-schulze.pdf)
+
 ## License
 Apache 2.0, see [LICENSE](LICENSE.txt) for more information.