chore: add project scaffolding and resources

This initial commit scaffolds the project with essential docs, assets, and build configs.
It adds Android icons, design assets, and release metadata to support mobile targets.
A fastlane config and F-Droid manifest are included to streamline builds.

- Adds F-Droid configuration for automated builds
- Includes license and privacy policy documents
- Provides app icons and assets for Android and design system

app-icon.svg

@@ -1,8 +1,10 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
-  <rect width="512" height="512" rx="116" fill="#145d32"/>
-  <path d="M142 128h228a42 42 0 0 1 42 42v210a42 42 0 0 1-42 42H142a42 42 0 0 1-42-42V170a42 42 0 0 1 42-42Z" fill="#f8faf7" opacity=".22"/>
-  <path d="M172 92h190a38 38 0 0 1 38 38v214a38 38 0 0 1-38 38H172a38 38 0 0 1-38-38V130a38 38 0 0 1 38-38Z" fill="#f8faf7"/>
-  <circle cx="321" cy="170" r="31" fill="#a9cda7"/>
-  <path d="m157 319 72-91 53 62 37-42 65 79v17a17 17 0 0 1-17 17H168a17 17 0 0 1-17-17v-15Z" fill="#145d32"/>
-  <path d="M366 112a122 122 0 0 1 39 61" fill="none" stroke="#a9cda7" stroke-width="18" stroke-linecap="round"/>
+  <rect width="512" height="512" rx="116" fill="#edf4e9"/>
+  <circle cx="256" cy="256" r="177" fill="#0f5b32"/>
+  <path d="M143 191c24-45 66-77 116-86" fill="none" stroke="#91bf93" stroke-width="19" stroke-linecap="round"/>
+  <path d="m238 93 31 10-25 20Z" fill="#91bf93"/>
+  <path d="m146 211 55 128 55-103 55 103 55-128" fill="none" stroke="#f8faf4" stroke-width="34" stroke-linecap="round" stroke-linejoin="round"/>
+  <circle cx="366" cy="177" r="24" fill="#f2c85b"/>
+  <path d="M369 365c-25 28-59 47-97 52" fill="none" stroke="#91bf93" stroke-width="19" stroke-linecap="round"/>
+  <path d="m291 426-30-8 23-21Z" fill="#91bf93"/>
 </svg>