psalter: add the 27 psalms needed by Terce/Sext/None

Text for every psalm src/data/psalter-distribution.yml's terce/sext/none
tables reference but hadn't been authored yet — the native Gradual set
(119-127) plus the psalms used by the Friday/Saturday redistribution.
Verified Latin/English against Divinum Officium (Monastic Tridentinum
1617).

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

src/data/psalms/100.yml

@@ -0,0 +1,61 @@
+# Verified against Divinum Officium (Latin Psalmorum, English translation).
+# Vulgate/Gallican numbering.
+
+number: 100
+verses:
+  - n: 1
+    text:
+      la: "Misericórdiam, et judícium * cantábo tibi, Dómine:"
+      en: "Mercy and judgment * I will sing to thee, O Lord:"
+    status:
+      la: verified
+      en: verified
+  - n: 2
+    text:
+      la: "Perambulábam in innocéntia cordis mei, * in médio domus meæ."
+      en: "I walked in the innocence of my heart, * in the midst of my house."
+    status:
+      la: verified
+      en: verified
+  - n: 3
+    text:
+      la: "Non proponébam ante óculos meos rem injústam: * faciéntes prævaricatiónes odívi."
+      en: "I did not set before my eyes any unjust thing: * I hated the workers of iniquities."
+    status:
+      la: verified
+      en: verified
+  - n: 4
+    text:
+      la: "Non adhǽsit mihi cor pravum: * declinántem a me malígnum non cognoscébam."
+      en: "The perverse heart did not cleave to me: * and the malignant, that turned aside from me, I would not know."
+    status:
+      la: verified
+      en: verified
+  - n: 5
+    text:
+      la: "Supérbo óculo, et insatiábili corde, * cum hoc non edébam."
+      en: "With him that had a proud eye, and an unsatiable heart, * I would not eat."
+    status:
+      la: verified
+      en: verified
+  - n: 6
+    text:
+      la: "Óculi mei ad fidéles terræ ut sédeant mecum: * ámbulans in via immaculáta, hic mihi ministrábat."
+      en: "My eyes were upon the faithful of the earth, to sit with me: * the man that walked in the perfect way, he served me."
+    status:
+      la: verified
+      en: verified
+  - n: 7
+    text:
+      la: "Non habitábit in médio domus meæ qui facit supérbiam: * qui lóquitur iníqua, non diréxit in conspéctu oculórum meórum."
+      en: "He that worketh pride shall not dwell in the midst of my house: * he that speaketh unjust things did not prosper before my eyes."
+    status:
+      la: verified
+      en: verified
+  - n: 8
+    text:
+      la: "In matutíno interficiébam omnes peccatóres terræ: * ut dispérderem de civitáte Dómini omnes operántes iniquitátem."
+      en: "In the morning I put to death all the wicked of the land: * that I might cut off all the workers of iniquity from the city of the Lord."
+    status:
+      la: verified
+      en: verified