Fix install.md: install from GitHub until mdcms is on PyPI

docs/install.md

@@ -15,9 +15,14 @@ Download the binary for your platform from the [latest release](https://github.c
 - **macOS:** `mdcms-macos-arm64` → move to `/usr/local/bin/mdcms` and `chmod +x`
 - **Windows:** `mdcms-windows-amd64.exe` → rename to `mdcms.exe` and place it somewhere on your PATH
 
-**Via pipx (Python users)**
+**Via pip (from GitHub)**
 ```bash
-pipx install mdcms
+pip install git+https://github.com/kbenestad/mdcms.git
+```
+
+**Via pipx (from GitHub)**
+```bash
+pipx install git+https://github.com/kbenestad/mdcms.git
 ```
 
 Verify the installation:
@@ -105,6 +110,9 @@ on:
       - "posts/**"
       - "config.yml"
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -116,7 +124,7 @@ jobs:
           python-version: "3.12"
 
       - name: Install mdcms
-        run: pip install mdcms
+        run: pip install git+https://github.com/kbenestad/mdcms.git
 
       - name: Build
         run: mdcms build