/apps/twnlua: use minilua single source amalgam

apps/twnlua/README.md

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+# MiniLua
+
+This is Lua contained in a single header to be bundled in C/C++ applications with ease.
+[Lua](https://www.lua.org/) is a powerful, efficient, lightweight, embeddable scripting language.
+
+## Example Usage
+
+```c
+#define LUA_IMPL
+#include "minilua.h"
+
+int main() {
+  lua_State *L = luaL_newstate();
+  if(L == NULL)
+    return -1;
+  luaL_openlibs(L);
+  luaL_loadstring(L, "print 'hello world'");
+  lua_call(L, 0, 0);
+  lua_close(L);
+  return 0;
+}
+```
+
+## Usage
+
+Copy `minilua.h` into your C or C++ project, include it anywhere you want to use Lua API.
+Then do the following in *one* C file to implement Lua:
+```c
+#define LUA_IMPL
+#include "minilua.h"
+```
+
+By default it detects the system platform to use, however you can explicitly define one.
+
+Note that almost no modification was made in the Lua implementation code,
+thus there are some C variable names that may collide with your code,
+therefore it is best to declare the Lua implementation in dedicated C file.
+
+Optionally provide the following defines:
+  - `LUA_MAKE_LUA`     - implement the Lua command line REPL
+
+## Documentation
+
+For documentation on how to use Lua read its [official manual](https://www.lua.org/manual/).
+
+## Updates
+
+- **25-Jul-2024**: Updated to Lua 5.4.7.
+- **13-Nov-2023**: Updated to Lua 5.4.6.
+- **28-Jan-2022**: Updated to Lua 5.4.4.
+- **31-Mar-2021**: Updated to Lua 5.4.3.
+- **03-Dec-2020**: Updated to Lua 5.4.2.
+- **27-Nov-2020**: Library created, using Lua 5.4.2-rc1.
+
+## Notes
+
+This library tries to keep up with latest official Lua release.
+The header is generated using the bash script `gen.sh` all modifications done is there.
+
+## License
+
+Same license as Lua, the MIT license, see LICENSE.txt for information.