20250803: initial Golang-based userland with essential system components

This commit introduces the first release of RLXOS with a fully rewritten userland in Golang while retaining the Linux kernel. Key components added:

- **cmd/init**: Minimal init system that launches services in parallel for improved boot performance.
- **cmd/ueventd**: Lightweight uevent listener for handling kernel device events via netlink.
- **cmd/shell**: Simple, statically linked shell for basic user interaction.

This rewrite improves system modularity, maintainability, and performance, laying the foundation for future enhancements.

.editorconfig

@@ -0,0 +1,22 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.go,Makefile,.gitmodules,go.mod,go.sum}]
+indent_style = tab
+
+[*.md]
+indent_style = tab
+trim_trailing_whitespace = false
+
+[*.{yml,yaml,json}]
+indent_style = space
+indent_size = 2
+
+[*.{js,jsx,ts,tsx,css,less,sass,scss,vue,py}]
+indent_style = space
+indent_size = 4

.gitattributes

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+* -text

.github/workflows/build-release.yml

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+name: Continuous release
+on:
+  workflow_dispatch:
+  push:
+    paths-ignore:
+      - "doc/**"
+      - ".github/workflows/*docs*.yml"
+
+env:
+  BRANCH: ${{ endsWith(github.ref, 'stable') && 'stable' || (endsWith(github.ref, 'preview') && 'preview' || 'unstable') }}
+
+jobs:
+  build:
+    name: build-image
+    runs-on: self-hosted
+    strategy:
+      matrix:
+        include:
+          - device: generic-x86_64
+            image: installer.iso
+
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          token: ${{secrets.CI_TOKEN}}
+          submodules: true
+
+      - name: build-system-image
+        run: go run rlxos.dev/tools/ignite -device ${{matrix.device}} -cache-path ${{secrets.CACHE_PATH}} -clean
+
+      - uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: '${{ secrets.GITHUB_TOKEN }}'
+          file: '${{ secrets.CACHE_PATH }}/${{matrix.device}}/images/${{matrix.image}}'
+          asset_name: 'rlxos-${{env.BRANCH}}-${{matrix.device}}-${{matrix.image}}'
+          tag: ${{env.BRANCH}}-continuous
+          overwrite: true
+          body: ${{ github.event.head_commit.message }}
+
+

.gitignore

@@ -1,10 +1,3 @@
-/.cache
-/.vscode
-
-/build
-/checkout
-
-/ostree-branch.yml
-/version.yml
-/channel.yml
-/config.mk
+/_build
+/vendor
+generated.go