add initial plans.

README.md

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+Desiderata
+
+- Simple: Simple operation in terms of counting spaces and \n.
+- Avoid "off by one" errors; make sure an empty file is reported as such.
+  - Words as space or enter, followed by nonspace, followed by space? Make sure two spaces aren't two words?
+- Keep Linux only. 
+- No flags. Only count words, not lines.
+- Allow piping, as well as reading files.
+  - Wonder how normal utilities handle this.
+- Could use zig? => Not for now
+
+Steps:
+
+- [ ] Look into how C utilities both read from stdin and from files.
+- [ ] ...
+- [ ] Compare with other implementations, see how they do it, after I've read my own version
+  - Compare with gnu utils, 
+  - Compare with musl/busybox implementations, 
+  - Maybe make some pull requests, if I'm doing something better?