fix pubkey generation

Author: wachterjohannes

.github/workflows/phar.yml

@@ -64,7 +64,7 @@ jobs:
             -   name: "Rename PHAR with version suffix"
                 run: |
                     mv nanbando.phar nanbando-php${{ matrix.php-version }}.phar
-                    cp nanbando-php${{ matrix.php-version }}.phar nanbando-php${{ matrix.php-version }}.phar.pubkey
+                    cp nanbando.phar.pubkey nanbando-php${{ matrix.php-version }}.phar.pubkey
 
             -   name: "Upload PHAR as artifact"
                 uses: actions/upload-artifact@v2

docs/installation.rst

@@ -5,8 +5,8 @@ To install the application simply download the executable and move it to the glo
 
 .. code:: bash
 
-    wget http://nanbando.github.io/core/nanbando.phar
-    wget http://nanbando.github.io/core/nanbando.phar.pubkey
+    wget http://nanbando.github.io/core/nanbando-php{your-version}.phar -O nanbando.phar
+    wget http://nanbando.github.io/core/nanbando-php{your-version}.phar.pubkey -O nanbando.phar.pubkey
     chmod +x nanbando.phar
     mv nanbando.phar /usr/local/bin/nanbando
     mv nanbando.phar.pubkey /usr/local/bin/nanbando.pubkey