BioLang v0.1.1

Bug fixes, new build modes and cross-platform packaging improvements on top
of v0.1.0. Wiki is now live.

What's new since v0.1.0

Annotations: @read / @write method annotations (declare a method
read-only or write — explicit annotations take priority over AST
heuristics); @unfork now covers every fork path including Class +
new; @onlyread streams refuse write-method calls.
New example: examples/15-annotations.bio.
bio build -s / bio build -m: -s builds a standalone executable
(default); -m bundles the app + platform CLI + shared runtime into a
distributable .img (default) or .zip package.
Memory limit flag renamed -m → -e (bio -e 256M file.bio);
BIO_MEM_LIMIT env var unchanged.
.img packages now store file permissions (format v2) — unpacked
executables keep their executable bit; v1 images still readable.
Native zip writer/reader: .zip packages are written with the STORE
method in pure C — no external zip/unzip tools needed (works on
Windows); the system unzip is still used when present, so legacy
deflate archives open fine.
Cross-platform: Windows fiber-based thread backend + LoadLibrary shim;
make bin cross-compiles release trees for all 7 platforms with zig
(no foreign SDKs). Platform support table updated.
Docs: README Packaging section (.img / .zip explained), build -s/-m usage, platform status; project Wiki initialized (Home,
Build & Run, Packaging).

Each package contains a launcher (bin/bio or bin/bio.bat) and the shared
runtime in lib/ (libbio.so / libbio.dylib / bio.dll).

Threadstream / Areastream not yet declarable as explicit stream types.
Compiler embeds source + links the interpreter runtime; true AST→machine-code
compilation is future work.
Windows/macOS Apple Silicon are experimental (see Platform support).