dev: should reduce CI build times

.github/workflows/cachix.yml

@@ -3,10 +3,12 @@ name: build-and-cache
 on:
   workflow_dispatch:
   push:
+    branches:
+      - main
     paths-ignore:
-      - '**/README.md'
-      - '**/.gitignore'
-      - '**/assets'
+      - '.github/**'
+      - './assets/**'
+      - '.gitignore'
 
 jobs:
   nix:

.github/workflows/check.yml

@@ -1,10 +1,10 @@
-name: "Pull request"
+name: "Check validity of flakes"
 on:
   pull_request:
+  workflow_dispatch:
   push:
     branches:
       - main
-  workflow_dispatch:
 jobs:
   nix-flake-check:
     runs-on: ubuntu-latest

.github/workflows/manual.yml

@@ -1,5 +1,6 @@
 name: Github Pages docs
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
@@ -25,7 +26,7 @@ jobs:
         uses: cachix/install-nix-action@v18
       - name: Build
         run: |
-          nix build '.#docs-html'
+          nix build '.#docs'
           cp -r result/share/doc/neovim-flake public
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3