docs: pandoc-based site and v0.1.0 groundwork (#5)

* chore(prose): remove em-dashes from config files

* chore(prose): remove em-dashes from android sdk config

* docs(spec-api): remove em-dash from README

* fix(doctor): reword sidecar-jar error without em-dash

* test(sidecar): reword assertion message without em-dash

* docs: add CLAUDE.md with project conventions

* build: add docs target for pandoc site

* docs(site): add pandoc template and stylesheet

* docs(site): add pandoc build script

* docs(site): add landing pages

* docs(manual): add getting-started

* docs(manual): add writing-specs

* docs(manual): add runs

* docs(manual): add cli reference

* docs(dev): add design principles

* docs(dev): add architecture

* ci: deploy docs site to github pages

* docs: rewrite README as entry point to docs site

.gitignore

@@ -27,7 +27,7 @@ node_modules/
 .env
 .env.local
 
-# Sidecar fat JAR — build artifact copied in by `make uatu` before
+# Sidecar fat JAR. Build artifact copied in by `make uatu` before
 # `go build -tags withsidecar`. Never commit: it's ~130 MB.
 internal/sidecar/assets/sidecar-all.jar
 
@@ -36,3 +36,7 @@ pkg/spec-api/dist/
 
 # goreleaser local output
 dist/
+
+# coding agent files
+.claude/
+.claude/*