FAQ on locale issue with R (#105)

Also, update of Python version.

.github/workflows/mkdocs-deploy.yml

@@ -3,24 +3,25 @@ name: "mkdocs: deploy to gh-pages"
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   deploy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
-      - name: Setup Python
-        uses: actions/setup-python@v1
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.6'
-          architecture: 'x64'
+          python-version: '3.10'
+          cache: "pipenv"
+          cache-dependency-path: |
+            Pipfile.lock
 
       - name: Install dependencies
         run: |
-          python3 -m pip install pipenv
-          pipenv --python python3.6
+          python -m pip install --upgrade pipenv wheel
           pipenv install
 
       - run: cd bih-cluster && pipenv run mkdocs build

.github/workflows/mkdocs-test.yml

@@ -6,20 +6,21 @@ on:
 
 jobs:
   check:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
-      - name: Setup Python
-        uses: actions/setup-python@v1
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.6'
-          architecture: 'x64'
+          python-version: '3.10'
+          cache: "pipenv"
+          cache-dependency-path: |
+            Pipfile.lock
 
       - name: Install dependencies
         run: |
-          python3 -m pip install pipenv
-          pipenv --python python3.6
+          python -m pip install --upgrade pipenv wheel
           pipenv install
 
       - run: cd bih-cluster && pipenv run mkdocs build

Pipfile

@@ -14,4 +14,4 @@ pymdown-extensions = "*"
 mkdocs-git-revision-date-localized-plugin = "*"
 
 [requires]
-python_version = "3.6"
+python_version = "3.10"