Fix access to manifest (#7158)

* Fix access to manifest
fix https://github.com/FreshRSS/FreshRSS/issues/7157

* Casing

.htaccess.dist

@@ -2,7 +2,7 @@
 # if you cannot set Apache `DocumentRoot` to `./p/` as recommended.
 
 # Deny files starting with a dot or without extension or with specific extensions
-<FilesMatch "^\.|^[^.]+$|\.(config\.js|gz|json|md|neon|sqlite|xml|ya?ml|zip)$">
+<FilesMatch "^\.|^[^.]+$|\.(config\.js|gz|md|neon|sqlite|xml|ya?ml|zip)$">
 	Require all denied
 </FilesMatch>
 

p/.htaccess

@@ -1,6 +1,7 @@
 # If you need custom .htaccess rules, instead of modifying this file,
 # create one in `./i/.htaccess` (in particular for access control such as HTTP Basic Auth),
 # or in `../.htaccess` for other more general rules.
+# See also `../.htaccess.dist` if you cannot set Apache `DocumentRoot` to here (`FreshRSS/p/`) as recommended
 
 <IfModule mod_dir.c>
 	DirectoryIndex	index.php index.html

p/themes/.htaccess

@@ -1,6 +1,6 @@
 <IfModule mod_authz_core.c>
 	# Deny files without extension or with specific extensions
-	<FilesMatch "^[^.]+$|\.(json|md|scss|sh)$">
+	<FilesMatch "^[^.]+$|\.(md|scss|sh)$">
 		Require all denied
 	</FilesMatch>
 </IfModule>