add icon token subdir, Docker, SPEC/AGENTS, initial commit

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    IDRS_DB_PATH=/app/data/idrs.db
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app ./app
+COPY tokenList.json versionAndroid.json ./
+
+RUN mkdir -p /app/data /app/app/static/icons \
+    && useradd --system --uid 1000 --create-home idrs \
+    && chown -R idrs:idrs /app
+
+USER idrs
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]