Introduce Configuration file, Support Custom Channels (#10)

Co-authored-by: Pavel Zwerschke <[email protected]>

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  check-schema-changes:
+    name: Check for Schema Changes
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: prefix-dev/setup-pixi@ba3bb36eb2066252b2363392b7739741bb777659 # v0.8.1
+      - name: Regenerate the schema
+        run: pixi run schema
+      - name: Check for schema changes
+        run: |
+          git diff --exit-code
+          if [ $? -eq 1 ]
+          then
+            echo "::error::The schema is out of date. Please run 'pixi run schema' and commit the changes."
+            exit 1
+          fi

.gitignore

@@ -161,3 +161,5 @@ cython_debug/
 
 # Prefix pixi envs
 .pixi/
+
+.streamlit/secrets.toml

README.md

@@ -1,2 +1,17 @@
 # conda-metadata-app
-A streamlit app to query metadata from conda packages
+A streamlit app to query metadata from conda packages.
+
+> [!TIP]
+> A public instance of this app is available at [**conda-metadata-app.streamlit.app**](https://conda-metadata-app.streamlit.app).
+
+![Main Screenshot](docs/assets/main_screenshot_dark.png#gh-dark-mode-only)
+![Main Screenshot](docs/assets/main_screenshot_light.png#gh-light-mode-only)
+
+## Development
+Use `pixi run dev` to run the app in development mode, and `pixi run deploy` to run a production version of the app.
+
+If you modified the configuration schema (see below), use `pixi run schema` to update the schema.
+
+## Custom Configuration
+
+Refer to the [Configuration Documentation](docs/configuration.md) for more information on how to customize the app.