add fine tuning and unit testing

.gitea/workflows/tests.yml

@@ -0,0 +1,28 @@
+name: tests
+
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Neovim
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y snapd
+          sudo snap install nvim --classic
+
+      - name: Install plenary.nvim
+        run: |
+          mkdir -p "$HOME/.local/share/nvim/site/pack/packer/start"
+          git clone --depth 1 https://github.com/nvim-lua/plenary.nvim \
+            "$HOME/.local/share/nvim/site/pack/packer/start/plenary.nvim"
+
+      - name: Run tests
+        run: |
+          nvim --version
+          bash run_test.sh