add llms.txt file for easier use with llms

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "npm"
+    directory: "/docs"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10

.github/workflows/main.yml

@@ -12,17 +12,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           # fetch all commits to get last updated time or other git log info
           fetch-depth: 0
-          
+
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           # choose node.js version to use
           node-version: 24
-          
+
       - name: Install dependencies
         run: cd docs && npm ci
 
@@ -32,7 +32,7 @@ jobs:
       # please check out the docs of the workflow for more details
       # @see https://github.com/crazy-max/ghaction-github-pages
       - name: Deploy to GitHub Pages
-        uses: crazy-max/ghaction-github-pages@v4
+        uses: crazy-max/ghaction-github-pages@df5cc2bfa78282ded844b354faee141f06b41865 # v4.2.0
         with:
           # deploy to gh-pages branch
           target_branch: gh-pages

.github/workflows/pull_request.yml

@@ -12,14 +12,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
-          
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           # choose node.js version to use
           node-version: 24
-          
+
       - name: Install dependencies
         run: cd docs && npm ci