model and volume server configuration and docs

docs/model-server/readme.md

docs/volume-server/README.md

package.json

src/servers/model/config.ts

src/servers/model/query.ts

src/servers/model/server.ts

src/servers/model/server/api-schema.ts

src/servers/model/server/api-web.ts

src/servers/model/server/cache.ts

src/servers/model/server/query.ts

src/servers/model/server/structure-wrapper.ts

src/servers/volume/config.ts

src/servers/volume/query.ts

src/servers/volume/server.ts

src/servers/volume/server/query/encode.ts

src/servers/volume/server/version.ts

src/servers/volume/server/web-schema.ts