readme updates

Author: kirjavascript

tests/README.md

@@ -0,0 +1,15 @@
+testing / tooling framework for TetrisGYM
+
+to see commands;
+
+```bash
+cargo run -- --help
+```
+
+to verify various behaviour in the game, first build the ROM then run;
+
+```bash
+cargo run -- --test
+```
+
+uses [rusticnes-core](https://github.com/zeta0134/rusticnes-core)

tools/assemble/README.md

@@ -6,4 +6,4 @@ generated with emscripten
 emmake make ld65 CC=emcc CFLAGS="-O3 -Wall" -Isrc/common/ LD=emcc OBJDIR="" HOST_OBJEXTENSION=".o" LDFLAGS="-sEXPORTED_RUNTIME_METHODS=FS -s FORCE_FILESYSTEM=1 -lnodefs.js -lnoderawfs.js"
 ```
 
-Original source: https://github.com/cc65/cc65
+original source: https://github.com/cc65/cc65