add a history note (#5046)

* add a history

* tweak

Author: bobzhang

History.md

@@ -0,0 +1,13 @@
+
+
+This project was originally created by [Hongbo Zhang](https://github.com/bobzhang) in 2015 and 
+still actively maintained by Hongbo Zhang hosted at 
+[here](https://github.com/rescript-lang/rescript-compiler)
+
+It was named BuckleScript and rebranded into ReScript in 2021.
+The major contributions from contributors include super_errors from 
+[Cheng](https://github.com/chenglou) and [Cristiano](https://github.com/cristianoc), react_jsx_ppx from [Ricky](https://github.com/rickyvetter). Cristiano also
+contributed to several important patches in the upstream native compiler,
+in particular, the pattern match compilation.
+
+More details are available [here](https://github.com/rescript-lang/rescript-compiler/graphs/contributors).

README.md

@@ -30,4 +30,6 @@ Refer to its copyright and license notices for information about its licensing.
 The `vendor/ninja.tar.gz` contains the vendored [ninja](https://github.com/ninja-build/ninja).
 Refer to its copyright and license notices for information about its licensing.
 
+Note that OSS is for sharing of knowledge, but the authorship should be respected. Copyright headers in each file, Acknowledgements section in this file and [History](./History.md) should be kept **intact**.
+
 See [Credits](./Credits.md) for more details.