v0.1.x: refactor Pathr & Route
v0.1.x: move Route & Pathr into route/
v0.1.x: fix lint tool
v0.1.x: move Expr into route/util
v0.1.x: fix lint tool
v0.1.x: fix jsdoc
v0.1.x: refactor Route
v0.1.x: VerbRouter -> Verber
v0.1.x: NamedVerb -> Classic
v0.1.x: Appr -> Routim