chore: commit remaining docs and project updates

docs/index.md

@@ -0,0 +1,43 @@
+---
+layout: home
+
+title: SubMiner
+tagline: All-in-one sentence mining overlay for MPV with AnkiConnect and dictionary integration
+
+hero:
+  name: SubMiner
+  text: Documentation
+  tagline: Install, configure, and use SubMiner for subtitle-driven mining workflows.
+  image:
+    src: /assets/SubMiner.png
+    alt: SubMiner logo
+  actions:
+    - theme: brand
+      text: Installation
+      link: /installation
+    - theme: alt
+      text: Configuration
+      link: /configuration
+    - theme: alt
+      text: Development
+      link: /development
+    - theme: alt
+      text: Architecture
+      link: /architecture
+
+features:
+  - title: End-to-end workflow
+    details: Connect mpv subtitle capture, Yomitan lookup, and Anki card generation in one overlay.
+  - title: Practical configuration
+    details: Use the complete option reference to tune behavior for mining, media generation, and keybindings.
+  - title: Contributor docs
+    details: Build, test, and package SubMiner with the development notes in this docs set.
+---
+
+## Documentation Sections
+
+- [Installation](/installation)
+- [Usage](/usage)
+- [Configuration](/configuration)
+- [Development](/development)
+- [Architecture](/architecture)