Add ext-readline,freetype,gmssl,grpc,icu

config/pkg/ext/ext-mbregex.yml

@@ -7,3 +7,4 @@ ext-mbregex:
     arg-type: custom
     build-shared: false
     build-static: true
+    display-name: mbstring

config/pkg/ext/ext-readline.yml

@@ -0,0 +1,11 @@
+ext-readline:
+  type: php-extension
+  depends:
+    - libedit
+  php-extension:
+    support:
+      Windows: wip
+      BSD: wip
+    arg-type: with-path
+    build-shared: false
+    build-static: true