feat: expand seed library from 6 to 100 protocols

Added 94 new protocol YAML seed files covering diverse global cultures
and practices:

Indigenous & traditional: Maori powhiri, Aboriginal yarning, Somali xeer,
Moroccan jmaa, Tswana kgotla, Zulu imbizo, Peruvian ronda campesina,
Ohlone land-back, Inuit IQ consensus, Haudenosaunee condolence,
Navajo peacemaking, Ojibwe pipe ceremony, Polynesian talanoa,
Rwandan gacaca, West African palaver tree, Mexican tequio,
Javanese musyawarah-mufakat, Tibetan story council, Korean yangban,
Filipino utari, Ainu practices

Religious communities: Quaker meeting for business, clearness committee,
Amish shunning (Meidung), Mennonite discernment, Jewish hevruta,
Rastafari nyabinghi reasoning

Facilitation: World Cafe, Open Space, Future Search, Six Thinking Hats,
Dynamic Facilitation, Socratic Seminar, Delphi method, Copenhagen
Consensus, Lean Coffee, Hackathon sprint, Agile retrospective,
Stand-up meeting, Pair programming, Roadmap planning

Governance: Sociocratic consent selection, Dynamic self-governance,
Cooperative consensus, Hackerspace consensus, Mastodon governance,
Climate assemblies (x2), Basque asamblearismo

Conflict & repair: Restorative conference, circle sentencing,
Nonviolent Communication (3 protocols), Active listening mirror,
Appreciative apology repair

Community & care: Community kitchen, Gratefulness circle, Passing circle,
Paired walking, Deep listening dyad, Mutual aid, Permaculture charrette

Education: Barefoot College night school, Socratic seminar

Everyday: Various greeting, transition, and gratitude protocols

All protocols credit original sources. Cultural context noted in
descriptions. All YAML files validated.

seeds/maori-powhiri.yaml

@@ -0,0 +1,35 @@
+id: maori-powhiri
+title: Maori Powhiri Welcoming Ceremony
+description: >-
+  A Maori welcoming ceremony that establishes connection and the rights of
+  visitors and hosts. Originating in Aotearoa New Zealand Maori tradition,
+  the powhiri follows a fixed sequence of encounters.
+source: Te Ara Encyclopedia of New Zealand
+source_url: https://teara.govt.nz/en/powhiri
+tags: [maori, ceremony, welcome, indigenous]
+forked_from: null
+image: null
+steps:
+  - headline: Karanga (the call)
+    description: >-
+      A woman from the host group performs a call of welcome; a woman from the
+      visiting group responds. This acknowledges the living and the dead.
+  - headline: Whaikorero (formal speeches)
+    description: >-
+      Speakers from each side deliver formal orations in turn, beginning with
+      the hosts. Each speech is followed by a waiata (song) from that side.
+  - headline: Koha (gift)
+    description: >-
+      The visitors present a koha — a gift or contribution — placed on the
+      marae, representing reciprocity and gratitude.
+  - headline: Hongi (greeting)
+    description: >-
+      Hosts and visitors press noses and foreheads in the hongi, symbolising
+      the sharing of breath and the joining of the two groups.
+outcome: >-
+  Strangers become guests; the relationship between the two groups is
+  formally established and acknowledged.
+practice: >-
+  Protocols vary by iwi (tribe) and marae — follow the local kawa. Visitors
+  should arrange guidance from a local kaikaranga or kaikorero before
+  attending.