fix api access and url rewriting

docker/php/.htaccess

@@ -1,13 +1,12 @@
+
+# BEGIN WordPress
+<IfModule mod_rewrite.c>
 RewriteEngine On
-RewriteBase /
+RewriteBase /api/
 RewriteRule ^index\.php$ - [L]
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteCond %{REQUEST_FILENAME} !-d
+RewriteRule . /api/index.php [L]
+</IfModule>
 
-# add a trailing slash to /wp-admin
-RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]
-
-RewriteCond %{REQUEST_FILENAME} -f [OR]
-RewriteCond %{REQUEST_FILENAME} -d
-RewriteRule ^ - [L]
-RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
-RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]
-RewriteRule . index.php [L]
+# END WordPress