hours: build Terce, Sext, and None

Three separate resolver files (terce.ts/sext.ts/none.ts), not a shared
little-hour module — they're structurally identical but kept independent
by choice. Ordo verified against Divinum Officium (Monastic Tridentinum
1617): opening versicle, self-contained hymn, one antiphon framing three
psalms (no closing repeat, unlike Prime), a capitulum with its own
embedded short versicle/response, the day's own collect, and a closing
identical across all three hours.

Also fills in psalter-distribution.yml's previously-missing Sunday/
Monday/Tuesday psalm entries (Ps 118 sections for Sunday/Monday; Tuesday
turns out to share Wednesday/Thursday's native gradual-psalm set, not a
distinct one). Friday/Saturday's antiphons are derived from each day's
first psalm rather than reusing the native gradual antiphons, since
those two days already use a redistributed, non-native psalm set.

hours/types.ts gains a 'day-collect' part kind — the first ordo to use
the day's own Proper collect rather than a fixed text.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/data/hours/none.yml

@@ -0,0 +1,16 @@
+# See terce.yml for the full explanation of this ordo's structure and
+# deliberate deviations — None is identical in shape, only its hymn,
+# antiphon/psalms, and capitulum differ.
+id: none
+parts:
+  - kind: opening-versicle
+  - kind: hymn
+    textRef: { source: common, id: none-hymn }
+  - kind: variable
+    resolve: by-weekday
+  - kind: chapter
+    textRef: { source: common, id: none-capitulum-per-annum }
+  - kind: day-collect
+  - kind: preces
+    textRef: { source: common, id: little-hour-conclusio }
+    label: Conclusion