services: add mood, moodtracker, overleaf, personal-sensing; update ollama

Compose and supporting code for four services that had been running or
prototyped without their config tracked here, per the repo convention that
agap_git holds the compose + config while application source lives in each
service's own Gitea repo.

Only placeholder credentials are included: mood/.env.example and
moodtracker/.env.example ship dummy values, and overleaf/variables.env carries
app name and feature flags only. Real values stay in Vaultwarden.

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

moodtracker/.env.example

@@ -0,0 +1,4 @@
+# moodtracker host config — copy to .env and fill in the real value.
+# Credential is stored in Vaultwarden (AI collection) as MOODTRACKER_AUTH_PASS.
+
+MOODTRACKER_AUTH_PASS=changeme

moodtracker/.gitignore

@@ -0,0 +1 @@
+.env

moodtracker/docker-compose.yml

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+services:
+  moodtracker:
+    build: /home/alvis/moodtracker
+    container_name: moodtracker
+    restart: unless-stopped
+    environment:
+      AUTH_USER: admin
+      AUTH_PASS: ${MOODTRACKER_AUTH_PASS}
+    volumes:
+      - /home/alvis/moodtracker/data:/data
+    ports:
+      - "127.0.0.1:5177:5000"