Update readme

.vscode/settings.json

@@ -0,0 +1,82 @@
+{
+  "files.associations": {
+    "algorithm": "cpp",
+    "array": "cpp",
+    "atomic": "cpp",
+    "bit": "cpp",
+    "*.tcc": "cpp",
+    "cctype": "cpp",
+    "chrono": "cpp",
+    "clocale": "cpp",
+    "cmath": "cpp",
+    "codecvt": "cpp",
+    "compare": "cpp",
+    "concepts": "cpp",
+    "condition_variable": "cpp",
+    "cstdarg": "cpp",
+    "cstddef": "cpp",
+    "cstdint": "cpp",
+    "cstdio": "cpp",
+    "cstdlib": "cpp",
+    "cstring": "cpp",
+    "ctime": "cpp",
+    "cwchar": "cpp",
+    "cwctype": "cpp",
+    "deque": "cpp",
+    "list": "cpp",
+    "map": "cpp",
+    "set": "cpp",
+    "string": "cpp",
+    "unordered_map": "cpp",
+    "unordered_set": "cpp",
+    "vector": "cpp",
+    "exception": "cpp",
+    "functional": "cpp",
+    "iterator": "cpp",
+    "memory": "cpp",
+    "memory_resource": "cpp",
+    "numeric": "cpp",
+    "optional": "cpp",
+    "random": "cpp",
+    "ratio": "cpp",
+    "string_view": "cpp",
+    "system_error": "cpp",
+    "tuple": "cpp",
+    "type_traits": "cpp",
+    "utility": "cpp",
+    "fstream": "cpp",
+    "future": "cpp",
+    "initializer_list": "cpp",
+    "iomanip": "cpp",
+    "iosfwd": "cpp",
+    "iostream": "cpp",
+    "istream": "cpp",
+    "limits": "cpp",
+    "mutex": "cpp",
+    "new": "cpp",
+    "numbers": "cpp",
+    "ostream": "cpp",
+    "semaphore": "cpp",
+    "shared_mutex": "cpp",
+    "span": "cpp",
+    "sstream": "cpp",
+    "stdexcept": "cpp",
+    "stop_token": "cpp",
+    "streambuf": "cpp",
+    "thread": "cpp",
+    "cinttypes": "cpp",
+    "typeinfo": "cpp",
+    "variant": "cpp"
+  }
+  "git.ignoreLimitWarning": true,
+
+  // These settings should really be in github sync or something, if only it
+  // worked in linux...
+  "debug.openExplorerOnEnd": true,
+  "debug.console.closeOnEnd": true,
+  "editor.tabSize": 2,
+  "editor.rulers": [
+    80,
+  ],
+  "workbench.editor.closeEmptyGroups": false,
+}

README.md

@@ -6,10 +6,19 @@ This is a personal hobby project. I've published a little game on
 [Google Play](https://play.google.com/store/apps/details?id=com.woom.game)
 based on this engine. Full game code and assets are included in this repository.
 
-## Pre-requisities for all platforms except Android:
+## Pre-requisities:
 
-Install:
+This project uses `GN build system` for all platforms except Android
-* GN: https://gn.googlesource.com/gn/
+(I want to add support for APKs, Java code etc. to the GN configuration and use
+it for all platforms). \
+Building GN from source:
+https://gn.googlesource.com/gn/ \
+Pre-built GN binaries:
+https://chrome-infra-packages.appspot.com/p/gn/gn/
+
+`Gradle`, `Android SDK` and `NDK` are required for Android. 
+If you prefer, you can install `Android Studio` which includes all the
+requirements.
 
 ## Building from the command-line: