overview: update libc targets

Author: andrewrk

content/en-US/learn/overview.smd

@@ -327,54 +327,105 @@ This works on any Tier 3+ target, for any Tier 3+ target.
 You can find the available libc targets with `zig targets`:
 ```
 ...
- "libc": [
-  "aarch64_be-linux-gnu",
-  "aarch64_be-linux-musl",
-  "aarch64_be-windows-gnu",
-  "aarch64-linux-gnu",
-  "aarch64-linux-musl",
-  "aarch64-windows-gnu",
-  "armeb-linux-gnueabi",
-  "armeb-linux-gnueabihf",
-  "armeb-linux-musleabi",
-  "armeb-linux-musleabihf",
-  "armeb-windows-gnu",
+.libc = .{
+  "arc-linux-gnu",
+  "arm-freebsd-eabihf",
   "arm-linux-gnueabi",
   "arm-linux-gnueabihf",
   "arm-linux-musleabi",
   "arm-linux-musleabihf",
-  "arm-windows-gnu",
-  "mips64el-linux-gnuabi64",
-  "mips64el-linux-gnuabin32",
-  "mips64el-linux-musl",
+  "arm-netbsd-eabi",
+  "arm-netbsd-eabihf",
+  "armeb-linux-gnueabi",
+  "armeb-linux-gnueabihf",
+  "armeb-linux-musleabi",
+  "armeb-linux-musleabihf",
+  "armeb-netbsd-eabi",
+  "armeb-netbsd-eabihf",
+  "thumb-linux-musleabi",
+  "thumb-linux-musleabihf",
+  "thumb-windows-gnu",
+  "thumbeb-linux-musleabi",
+  "thumbeb-linux-musleabihf",
+  "aarch64-freebsd-none",
+  "aarch64-linux-gnu",
+  "aarch64-linux-musl",
+  "aarch64-macos-none",
+  "aarch64-netbsd-none",
+  "aarch64-windows-gnu",
+  "aarch64_be-linux-gnu",
+  "aarch64_be-linux-musl",
+  "aarch64_be-netbsd-none",
+  "csky-linux-gnueabi",
+  "csky-linux-gnueabihf",
+  "hexagon-linux-musl",
+  "loongarch64-linux-gnu",
+  "loongarch64-linux-gnusf",
+  "loongarch64-linux-musl",
+  "loongarch64-linux-muslsf",
+  "m68k-linux-gnu",
+  "m68k-linux-musl",
+  "m68k-netbsd-none",
+  "mips-linux-gnueabi",
+  "mips-linux-gnueabihf",
+  "mips-linux-musleabi",
+  "mips-linux-musleabihf",
+  "mips-netbsd-eabi",
+  "mips-netbsd-eabihf",
+  "mipsel-linux-gnueabi",
+  "mipsel-linux-gnueabihf",
+  "mipsel-linux-musleabi",
+  "mipsel-linux-musleabihf",
+  "mipsel-netbsd-eabi",
+  "mipsel-netbsd-eabihf",
   "mips64-linux-gnuabi64",
   "mips64-linux-gnuabin32",
-  "mips64-linux-musl",
-  "mipsel-linux-gnu",
-  "mipsel-linux-musl",
-  "mips-linux-gnu",
-  "mips-linux-musl",
-  "powerpc64le-linux-gnu",
-  "powerpc64le-linux-musl",
+  "mips64-linux-muslabi64",
+  "mips64-linux-muslabin32",
+  "mips64el-linux-gnuabi64",
+  "mips64el-linux-gnuabin32",
+  "mips64el-linux-muslabi64",
+  "mips64el-linux-muslabin32",
+  "powerpc-freebsd-eabihf",
+  "powerpc-linux-gnueabi",
+  "powerpc-linux-gnueabihf",
+  "powerpc-linux-musleabi",
+  "powerpc-linux-musleabihf",
+  "powerpc-netbsd-eabi",
+  "powerpc-netbsd-eabihf",
+  "powerpc64-freebsd-none",
   "powerpc64-linux-gnu",
   "powerpc64-linux-musl",
-  "powerpc-linux-gnu",
-  "powerpc-linux-musl",
+  "powerpc64le-freebsd-none",
+  "powerpc64le-linux-gnu",
+  "powerpc64le-linux-musl",
+  "riscv32-linux-gnu",
+  "riscv32-linux-musl",
+  "riscv64-freebsd-none",
   "riscv64-linux-gnu",
   "riscv64-linux-musl",
   "s390x-linux-gnu",
   "s390x-linux-musl",
   "sparc-linux-gnu",
-  "sparcv9-linux-gnu",
-  "wasm32-freestanding-musl",
+  "sparc-netbsd-none",
+  "sparc64-linux-gnu",
+  "sparc64-netbsd-none",
+  "wasm32-wasi-musl",
+  "x86-freebsd-none",
   "x86-linux-gnu",
   "x86-linux-musl",
+  "x86-netbsd-none",
   "x86-windows-gnu",
+  "x86_64-freebsd-none",
   "x86_64-linux-gnu",
   "x86_64-linux-gnux32",
   "x86_64-linux-musl",
-  "x86_64-windows-gnu"
- ],
+  "x86_64-linux-muslx32",
+  "x86_64-macos-none",
+  "x86_64-netbsd-none",
+  "x86_64-windows-gnu",
+},
+...
  ```
 
 What this means is that `--library c` for these targets *does not depend on any system files*!